Home / 388,828,488.03-583,145,655.15-152,526,039.90

Finding the Fourth Proportional to 388,828,488.03, 583,145,655.15 and 152,526,039.90

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Solution

The fourth proportional to 388,828,488.03, 583,145,655.15 and 152,526,039.90 is: 228,750,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,828,488.03 : 583,145,655.15 = 152,526,039.90 : x
  2. Step 2: Convert to fraction form
    388,828,488.03/583,145,655.15 = 152,526,039.90/x
  3. Step 3: Cross multiply
    388,828,488.03x = 583,145,655.15 × 152,526,039.90
  4. Step 4: Simplify right side
    388,828,488.03x = 88,944,897,464,920,544
  5. Step 5: Solve for x
    x = 88,944,897,464,920,544/388,828,488.03
  6. Step 6: Final answer
    x = 228,750,979.42

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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.