Home / 1,246,799,822.40-1,870,490,779.56-361,503,699.84

Finding the Fourth Proportional to 1,246,799,822.40, 1,870,490,779.56 and 361,503,699.84

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Solution

The fourth proportional to 1,246,799,822.40, 1,870,490,779.56 and 361,503,699.84 is: 542,339,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,799,822.40 : 1,870,490,779.56 = 361,503,699.84 : x
  2. Step 2: Convert to fraction form
    1,246,799,822.40/1,870,490,779.56 = 361,503,699.84/x
  3. Step 3: Cross multiply
    1,246,799,822.40x = 1,870,490,779.56 × 361,503,699.84
  4. Step 4: Simplify right side
    1,246,799,822.40x = 676,189,337,327,545,728
  5. Step 5: Solve for x
    x = 676,189,337,327,545,728/1,246,799,822.40
  6. Step 6: Final answer
    x = 542,339,937.16

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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.