Home / 776,679,458.40-1,165,019,187.60-471,910,024.80

Finding the Fourth Proportional to 776,679,458.40, 1,165,019,187.60 and 471,910,024.80

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Solution

The fourth proportional to 776,679,458.40, 1,165,019,187.60 and 471,910,024.80 is: 707,865,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,679,458.40 : 1,165,019,187.60 = 471,910,024.80 : x
  2. Step 2: Convert to fraction form
    776,679,458.40/1,165,019,187.60 = 471,910,024.80/x
  3. Step 3: Cross multiply
    776,679,458.40x = 1,165,019,187.60 × 471,910,024.80
  4. Step 4: Simplify right side
    776,679,458.40x = 549,784,233,712,791,808
  5. Step 5: Solve for x
    x = 549,784,233,712,791,808/776,679,458.40
  6. Step 6: Final answer
    x = 707,865,037.20

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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.