Home / 896,553,728.55-1,237,640,876.39-579,168,727.20

Finding the Fourth Proportional to 896,553,728.55, 1,237,640,876.39 and 579,168,727.20

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Solution

The fourth proportional to 896,553,728.55, 1,237,640,876.39 and 579,168,727.20 is: 799,509,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,553,728.55 : 1,237,640,876.39 = 579,168,727.20 : x
  2. Step 2: Convert to fraction form
    896,553,728.55/1,237,640,876.39 = 579,168,727.20/x
  3. Step 3: Cross multiply
    896,553,728.55x = 1,237,640,876.39 × 579,168,727.20
  4. Step 4: Simplify right side
    896,553,728.55x = 716,802,891,110,936,704
  5. Step 5: Solve for x
    x = 716,802,891,110,936,704/896,553,728.55
  6. Step 6: Final answer
    x = 799,509,129.55

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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.