Home / 965,695,717.55-1,332,692,279.70-542,383,975.78

Finding the Fourth Proportional to 965,695,717.55, 1,332,692,279.70 and 542,383,975.78

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Solution

The fourth proportional to 965,695,717.55, 1,332,692,279.70 and 542,383,975.78 is: 748,507,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,695,717.55 : 1,332,692,279.70 = 542,383,975.78 : x
  2. Step 2: Convert to fraction form
    965,695,717.55/1,332,692,279.70 = 542,383,975.78/x
  3. Step 3: Cross multiply
    965,695,717.55x = 1,332,692,279.70 × 542,383,975.78
  4. Step 4: Simplify right side
    965,695,717.55x = 722,830,937,154,997,760
  5. Step 5: Solve for x
    x = 722,830,937,154,997,760/965,695,717.55
  6. Step 6: Final answer
    x = 748,507,965.83

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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.