Home / 558,813,895.71-771,128,429.46-307,904,246.37

Finding the Fourth Proportional to 558,813,895.71, 771,128,429.46 and 307,904,246.37

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Solution

The fourth proportional to 558,813,895.71, 771,128,429.46 and 307,904,246.37 is: 424,888,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,813,895.71 : 771,128,429.46 = 307,904,246.37 : x
  2. Step 2: Convert to fraction form
    558,813,895.71/771,128,429.46 = 307,904,246.37/x
  3. Step 3: Cross multiply
    558,813,895.71x = 771,128,429.46 × 307,904,246.37
  4. Step 4: Simplify right side
    558,813,895.71x = 237,433,717,927,363,008
  5. Step 5: Solve for x
    x = 237,433,717,927,363,008/558,813,895.71
  6. Step 6: Final answer
    x = 424,888,714.74

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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.