Home / 753,865,963.20-1,130,798,944.80-560,155,718.70

Finding the Fourth Proportional to 753,865,963.20, 1,130,798,944.80 and 560,155,718.70

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Solution

The fourth proportional to 753,865,963.20, 1,130,798,944.80 and 560,155,718.70 is: 840,233,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,865,963.20 : 1,130,798,944.80 = 560,155,718.70 : x
  2. Step 2: Convert to fraction form
    753,865,963.20/1,130,798,944.80 = 560,155,718.70/x
  3. Step 3: Cross multiply
    753,865,963.20x = 1,130,798,944.80 × 560,155,718.70
  4. Step 4: Simplify right side
    753,865,963.20x = 633,423,495,629,645,696
  5. Step 5: Solve for x
    x = 633,423,495,629,645,696/753,865,963.20
  6. Step 6: Final answer
    x = 840,233,578.05

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Double scale
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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.