Home / 522,398,569.25-720,888,411.63-284,244,733.95

Finding the Fourth Proportional to 522,398,569.25, 720,888,411.63 and 284,244,733.95

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Solution

The fourth proportional to 522,398,569.25, 720,888,411.63 and 284,244,733.95 is: 392,245,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,398,569.25 : 720,888,411.63 = 284,244,733.95 : x
  2. Step 2: Convert to fraction form
    522,398,569.25/720,888,411.63 = 284,244,733.95/x
  3. Step 3: Cross multiply
    522,398,569.25x = 720,888,411.63 × 284,244,733.95
  4. Step 4: Simplify right side
    522,398,569.25x = 204,908,734,769,774,368
  5. Step 5: Solve for x
    x = 204,908,734,769,774,368/522,398,569.25
  6. Step 6: Final answer
    x = 392,245,972.39

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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.