Home / 498,818,460.42-748,041,598.80-171,201,005.28

Finding the Fourth Proportional to 498,818,460.42, 748,041,598.80 and 171,201,005.28

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Solution

The fourth proportional to 498,818,460.42, 748,041,598.80 and 171,201,005.28 is: 256,737,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,818,460.42 : 748,041,598.80 = 171,201,005.28 : x
  2. Step 2: Convert to fraction form
    498,818,460.42/748,041,598.80 = 171,201,005.28/x
  3. Step 3: Cross multiply
    498,818,460.42x = 748,041,598.80 × 171,201,005.28
  4. Step 4: Simplify right side
    498,818,460.42x = 128,065,473,705,818,432
  5. Step 5: Solve for x
    x = 128,065,473,705,818,432/498,818,460.42
  6. Step 6: Final answer
    x = 256,737,638.78

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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.