Home / 1,269,689,351.55-1,752,175,364.47-705,174,130.92

Finding the Fourth Proportional to 1,269,689,351.55, 1,752,175,364.47 and 705,174,130.92

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Solution

The fourth proportional to 1,269,689,351.55, 1,752,175,364.47 and 705,174,130.92 is: 973,142,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,689,351.55 : 1,752,175,364.47 = 705,174,130.92 : x
  2. Step 2: Convert to fraction form
    1,269,689,351.55/1,752,175,364.47 = 705,174,130.92/x
  3. Step 3: Cross multiply
    1,269,689,351.55x = 1,752,175,364.47 × 705,174,130.92
  4. Step 4: Simplify right side
    1,269,689,351.55x = 1,235,588,739,858,546,688
  5. Step 5: Solve for x
    x = 1,235,588,739,858,546,688/1,269,689,351.55
  6. Step 6: Final answer
    x = 973,142,555.18

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Double scale
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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.