Home / 460,335,468.74-690,939,748.72-284,927,910.30

Finding the Fourth Proportional to 460,335,468.74, 690,939,748.72 and 284,927,910.30

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Solution

The fourth proportional to 460,335,468.74, 690,939,748.72 and 284,927,910.30 is: 427,662,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,468.74 : 690,939,748.72 = 284,927,910.30 : x
  2. Step 2: Convert to fraction form
    460,335,468.74/690,939,748.72 = 284,927,910.30/x
  3. Step 3: Cross multiply
    460,335,468.74x = 690,939,748.72 × 284,927,910.30
  4. Step 4: Simplify right side
    460,335,468.74x = 196,868,018,745,996,704
  5. Step 5: Solve for x
    x = 196,868,018,745,996,704/460,335,468.74
  6. Step 6: Final answer
    x = 427,662,068.46

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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.