Home / 749,228,000.70-1,123,842,001.05-737,748,875.10

Finding the Fourth Proportional to 749,228,000.70, 1,123,842,001.05 and 737,748,875.10

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Solution

The fourth proportional to 749,228,000.70, 1,123,842,001.05 and 737,748,875.10 is: 1,106,623,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,228,000.70 : 1,123,842,001.05 = 737,748,875.10 : x
  2. Step 2: Convert to fraction form
    749,228,000.70/1,123,842,001.05 = 737,748,875.10/x
  3. Step 3: Cross multiply
    749,228,000.70x = 1,123,842,001.05 × 737,748,875.10
  4. Step 4: Simplify right side
    749,228,000.70x = 829,113,172,064,770,560
  5. Step 5: Solve for x
    x = 829,113,172,064,770,560/749,228,000.70
  6. Step 6: Final answer
    x = 1,106,623,312.65

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1.5x scale

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.