Home / 638,071,630.40-957,107,445.60-546,238,625.60

Finding the Fourth Proportional to 638,071,630.40, 957,107,445.60 and 546,238,625.60

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Solution

The fourth proportional to 638,071,630.40, 957,107,445.60 and 546,238,625.60 is: 819,357,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,071,630.40 : 957,107,445.60 = 546,238,625.60 : x
  2. Step 2: Convert to fraction form
    638,071,630.40/957,107,445.60 = 546,238,625.60/x
  3. Step 3: Cross multiply
    638,071,630.40x = 957,107,445.60 × 546,238,625.60
  4. Step 4: Simplify right side
    638,071,630.40x = 522,809,055,636,070,784
  5. Step 5: Solve for x
    x = 522,809,055,636,070,784/638,071,630.40
  6. Step 6: Final answer
    x = 819,357,938.40

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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.