Home / 906,822,947.50-1,358,817,245.18-631,013,040.14

Finding the Fourth Proportional to 906,822,947.50, 1,358,817,245.18 and 631,013,040.14

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Solution

The fourth proportional to 906,822,947.50, 1,358,817,245.18 and 631,013,040.14 is: 945,533,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,822,947.50 : 1,358,817,245.18 = 631,013,040.14 : x
  2. Step 2: Convert to fraction form
    906,822,947.50/1,358,817,245.18 = 631,013,040.14/x
  3. Step 3: Cross multiply
    906,822,947.50x = 1,358,817,245.18 × 631,013,040.14
  4. Step 4: Simplify right side
    906,822,947.50x = 857,431,400,875,691,648
  5. Step 5: Solve for x
    x = 857,431,400,875,691,648/906,822,947.50
  6. Step 6: Final answer
    x = 945,533,417.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.