Home / 2,142,702,770.40-2,957,252,545.68-1,307,812,502.40

Finding the Fourth Proportional to 2,142,702,770.40, 2,957,252,545.68 and 1,307,812,502.40

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Solution

The fourth proportional to 2,142,702,770.40, 2,957,252,545.68 and 1,307,812,502.40 is: 1,804,978,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,702,770.40 : 2,957,252,545.68 = 1,307,812,502.40 : x
  2. Step 2: Convert to fraction form
    2,142,702,770.40/2,957,252,545.68 = 1,307,812,502.40/x
  3. Step 3: Cross multiply
    2,142,702,770.40x = 2,957,252,545.68 × 1,307,812,502.40
  4. Step 4: Simplify right side
    2,142,702,770.40x = 3,867,531,851,994,531,328
  5. Step 5: Solve for x
    x = 3,867,531,851,994,531,328/2,142,702,770.40
  6. Step 6: Final answer
    x = 1,804,978,229.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.