Home / 1,214,267,880.76-1,675,690,236.09-657,350,927.83

Finding the Fourth Proportional to 1,214,267,880.76, 1,675,690,236.09 and 657,350,927.83

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Solution

The fourth proportional to 1,214,267,880.76, 1,675,690,236.09 and 657,350,927.83 is: 907,144,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,267,880.76 : 1,675,690,236.09 = 657,350,927.83 : x
  2. Step 2: Convert to fraction form
    1,214,267,880.76/1,675,690,236.09 = 657,350,927.83/x
  3. Step 3: Cross multiply
    1,214,267,880.76x = 1,675,690,236.09 × 657,350,927.83
  4. Step 4: Simplify right side
    1,214,267,880.76x = 1,101,516,531,449,433,216
  5. Step 5: Solve for x
    x = 1,101,516,531,449,433,216/1,214,267,880.76
  6. Step 6: Final answer
    x = 907,144,583.91

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Half scale
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Double scale
Find fourth proportional to 1,214,267,881.76, 1,675,690,237.47 and 657,350,928.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.