Home / 78,442,927,472.70-108,242,300,544.48-44,142,008,780.70

Finding the Fourth Proportional to 78,442,927,472.70, 108,242,300,544.48 and 44,142,008,780.70

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Solution

The fourth proportional to 78,442,927,472.70, 108,242,300,544.48 and 44,142,008,780.70 is: 60,910,941,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,442,927,472.70 : 108,242,300,544.48 = 44,142,008,780.70 : x
  2. Step 2: Convert to fraction form
    78,442,927,472.70/108,242,300,544.48 = 44,142,008,780.70/x
  3. Step 3: Cross multiply
    78,442,927,472.70x = 108,242,300,544.48 × 44,142,008,780.70
  4. Step 4: Simplify right side
    78,442,927,472.70x = 4,778,032,581,077,603,713,024
  5. Step 5: Solve for x
    x = 4,778,032,581,077,603,713,024/78,442,927,472.70
  6. Step 6: Final answer
    x = 60,910,941,687.39

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1.5x scale

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.