Home / 749,604,047.40-1,124,406,071.10-442,738,204.20

Finding the Fourth Proportional to 749,604,047.40, 1,124,406,071.10 and 442,738,204.20

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Solution

The fourth proportional to 749,604,047.40, 1,124,406,071.10 and 442,738,204.20 is: 664,107,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,604,047.40 : 1,124,406,071.10 = 442,738,204.20 : x
  2. Step 2: Convert to fraction form
    749,604,047.40/1,124,406,071.10 = 442,738,204.20/x
  3. Step 3: Cross multiply
    749,604,047.40x = 1,124,406,071.10 × 442,738,204.20
  4. Step 4: Simplify right side
    749,604,047.40x = 497,817,524,710,391,488
  5. Step 5: Solve for x
    x = 497,817,524,710,391,488/749,604,047.40
  6. Step 6: Final answer
    x = 664,107,306.30

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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.