Home / 386,688,045.60-580,032,068.40-371,571,501.60

Finding the Fourth Proportional to 386,688,045.60, 580,032,068.40 and 371,571,501.60

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Solution

The fourth proportional to 386,688,045.60, 580,032,068.40 and 371,571,501.60 is: 557,357,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,688,045.60 : 580,032,068.40 = 371,571,501.60 : x
  2. Step 2: Convert to fraction form
    386,688,045.60/580,032,068.40 = 371,571,501.60/x
  3. Step 3: Cross multiply
    386,688,045.60x = 580,032,068.40 × 371,571,501.60
  4. Step 4: Simplify right side
    386,688,045.60x = 215,523,386,631,541,920
  5. Step 5: Solve for x
    x = 215,523,386,631,541,920/386,688,045.60
  6. Step 6: Final answer
    x = 557,357,252.40

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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.