Home / 853,119,005.30-1,279,678,507.95-754,483,555.70

Finding the Fourth Proportional to 853,119,005.30, 1,279,678,507.95 and 754,483,555.70

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Solution

The fourth proportional to 853,119,005.30, 1,279,678,507.95 and 754,483,555.70 is: 1,131,725,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,119,005.30 : 1,279,678,507.95 = 754,483,555.70 : x
  2. Step 2: Convert to fraction form
    853,119,005.30/1,279,678,507.95 = 754,483,555.70/x
  3. Step 3: Cross multiply
    853,119,005.30x = 1,279,678,507.95 × 754,483,555.70
  4. Step 4: Simplify right side
    853,119,005.30x = 965,496,390,830,986,752
  5. Step 5: Solve for x
    x = 965,496,390,830,986,752/853,119,005.30
  6. Step 6: Final answer
    x = 1,131,725,333.55

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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.