Home / 1,505,897,131.10-2,078,188,446.07-836,870,374.11

Finding the Fourth Proportional to 1,505,897,131.10, 2,078,188,446.07 and 836,870,374.11

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Solution

The fourth proportional to 1,505,897,131.10, 2,078,188,446.07 and 836,870,374.11 is: 1,154,909,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,897,131.10 : 2,078,188,446.07 = 836,870,374.11 : x
  2. Step 2: Convert to fraction form
    1,505,897,131.10/2,078,188,446.07 = 836,870,374.11/x
  3. Step 3: Cross multiply
    1,505,897,131.10x = 2,078,188,446.07 × 836,870,374.11
  4. Step 4: Simplify right side
    1,505,897,131.10x = 1,739,174,342,329,496,064
  5. Step 5: Solve for x
    x = 1,739,174,342,329,496,064/1,505,897,131.10
  6. Step 6: Final answer
    x = 1,154,909,127.86

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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.