Home / 651,785,722.32-899,436,917.07-369,547,150.32

Finding the Fourth Proportional to 651,785,722.32, 899,436,917.07 and 369,547,150.32

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Solution

The fourth proportional to 651,785,722.32, 899,436,917.07 and 369,547,150.32 is: 509,959,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,785,722.32 : 899,436,917.07 = 369,547,150.32 : x
  2. Step 2: Convert to fraction form
    651,785,722.32/899,436,917.07 = 369,547,150.32/x
  3. Step 3: Cross multiply
    651,785,722.32x = 899,436,917.07 × 369,547,150.32
  4. Step 4: Simplify right side
    651,785,722.32x = 332,384,349,595,824,704
  5. Step 5: Solve for x
    x = 332,384,349,595,824,704/651,785,722.32
  6. Step 6: Final answer
    x = 509,959,543.78

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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.