Home / 1,331,316,298.32-1,997,246,811-457,804,222.62

Finding the Fourth Proportional to 1,331,316,298.32, 1,997,246,811 and 457,804,222.62

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Solution

The fourth proportional to 1,331,316,298.32, 1,997,246,811 and 457,804,222.62 is: 686,799,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,316,298.32 : 1,997,246,811 = 457,804,222.62 : x
  2. Step 2: Convert to fraction form
    1,331,316,298.32/1,997,246,811 = 457,804,222.62/x
  3. Step 3: Cross multiply
    1,331,316,298.32x = 1,997,246,811 × 457,804,222.62
  4. Step 4: Simplify right side
    1,331,316,298.32x = 914,348,023,690,129,024
  5. Step 5: Solve for x
    x = 914,348,023,690,129,024/1,331,316,298.32
  6. Step 6: Final answer
    x = 686,799,992.49

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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.