Home / 854,123,840.81-1,280,854,534.14-293,779,124.63

Finding the Fourth Proportional to 854,123,840.81, 1,280,854,534.14 and 293,779,124.63

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Solution

The fourth proportional to 854,123,840.81, 1,280,854,534.14 and 293,779,124.63 is: 440,554,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,123,840.81 : 1,280,854,534.14 = 293,779,124.63 : x
  2. Step 2: Convert to fraction form
    854,123,840.81/1,280,854,534.14 = 293,779,124.63/x
  3. Step 3: Cross multiply
    854,123,840.81x = 1,280,854,534.14 × 293,779,124.63
  4. Step 4: Simplify right side
    854,123,840.81x = 376,288,323,818,015,680
  5. Step 5: Solve for x
    x = 376,288,323,818,015,680/854,123,840.81
  6. Step 6: Final answer
    x = 440,554,760.14

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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.