Home / 986,773,079.66-1,480,145,671.40-239,794,342.29

Finding the Fourth Proportional to 986,773,079.66, 1,480,145,671.40 and 239,794,342.29

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Solution

The fourth proportional to 986,773,079.66, 1,480,145,671.40 and 239,794,342.29 is: 359,688,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,773,079.66 : 1,480,145,671.40 = 239,794,342.29 : x
  2. Step 2: Convert to fraction form
    986,773,079.66/1,480,145,671.40 = 239,794,342.29/x
  3. Step 3: Cross multiply
    986,773,079.66x = 1,480,145,671.40 × 239,794,342.29
  4. Step 4: Simplify right side
    986,773,079.66x = 354,930,557,765,554,496
  5. Step 5: Solve for x
    x = 354,930,557,765,554,496/986,773,079.66
  6. Step 6: Final answer
    x = 359,688,123.93

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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.