Home / 403,287,030.60-604,930,545.90-198,913,014.60

Finding the Fourth Proportional to 403,287,030.60, 604,930,545.90 and 198,913,014.60

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Solution

The fourth proportional to 403,287,030.60, 604,930,545.90 and 198,913,014.60 is: 298,369,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,287,030.60 : 604,930,545.90 = 198,913,014.60 : x
  2. Step 2: Convert to fraction form
    403,287,030.60/604,930,545.90 = 198,913,014.60/x
  3. Step 3: Cross multiply
    403,287,030.60x = 604,930,545.90 × 198,913,014.60
  4. Step 4: Simplify right side
    403,287,030.60x = 120,328,558,508,592,656
  5. Step 5: Solve for x
    x = 120,328,558,508,592,656/403,287,030.60
  6. Step 6: Final answer
    x = 298,369,521.90

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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.