Home / 51,805,656,005.85-77,708,484,008.78-43,437,373,443.45

Finding the Fourth Proportional to 51,805,656,005.85, 77,708,484,008.78 and 43,437,373,443.45

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Solution

The fourth proportional to 51,805,656,005.85, 77,708,484,008.78 and 43,437,373,443.45 is: 65,156,060,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805,656,005.85 : 77,708,484,008.78 = 43,437,373,443.45 : x
  2. Step 2: Convert to fraction form
    51,805,656,005.85/77,708,484,008.78 = 43,437,373,443.45/x
  3. Step 3: Cross multiply
    51,805,656,005.85x = 77,708,484,008.78 × 43,437,373,443.45
  4. Step 4: Simplify right side
    51,805,656,005.85x = 3,375,452,439,613,521,526,784
  5. Step 5: Solve for x
    x = 3,375,452,439,613,521,526,784/51,805,656,005.85
  6. Step 6: Final answer
    x = 65,156,060,165.18

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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.