Home / 845,721,841.16-1,167,104,100.12-474,451,841.72

Finding the Fourth Proportional to 845,721,841.16, 1,167,104,100.12 and 474,451,841.72

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Solution

The fourth proportional to 845,721,841.16, 1,167,104,100.12 and 474,451,841.72 is: 654,748,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,721,841.16 : 1,167,104,100.12 = 474,451,841.72 : x
  2. Step 2: Convert to fraction form
    845,721,841.16/1,167,104,100.12 = 474,451,841.72/x
  3. Step 3: Cross multiply
    845,721,841.16x = 1,167,104,100.12 × 474,451,841.72
  4. Step 4: Simplify right side
    845,721,841.16x = 553,734,689,780,897,280
  5. Step 5: Solve for x
    x = 553,734,689,780,897,280/845,721,841.16
  6. Step 6: Final answer
    x = 654,748,006.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.