Home / 1,518,121,337.40-2,277,182,006.10-905,397,420.60

Finding the Fourth Proportional to 1,518,121,337.40, 2,277,182,006.10 and 905,397,420.60

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Solution

The fourth proportional to 1,518,121,337.40, 2,277,182,006.10 and 905,397,420.60 is: 1,358,096,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,121,337.40 : 2,277,182,006.10 = 905,397,420.60 : x
  2. Step 2: Convert to fraction form
    1,518,121,337.40/2,277,182,006.10 = 905,397,420.60/x
  3. Step 3: Cross multiply
    1,518,121,337.40x = 2,277,182,006.10 × 905,397,420.60
  4. Step 4: Simplify right side
    1,518,121,337.40x = 2,061,754,714,559,673,344
  5. Step 5: Solve for x
    x = 2,061,754,714,559,673,344/1,518,121,337.40
  6. Step 6: Final answer
    x = 1,358,096,130.90

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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.