Home / 21,431,868,666.85-32,140,920,561.13-7,070,348,781.82

Finding the Fourth Proportional to 21,431,868,666.85, 32,140,920,561.13 and 7,070,348,781.82

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Solution

The fourth proportional to 21,431,868,666.85, 32,140,920,561.13 and 7,070,348,781.82 is: 10,603,252,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,431,868,666.85 : 32,140,920,561.13 = 7,070,348,781.82 : x
  2. Step 2: Convert to fraction form
    21,431,868,666.85/32,140,920,561.13 = 7,070,348,781.82/x
  3. Step 3: Cross multiply
    21,431,868,666.85x = 32,140,920,561.13 × 7,070,348,781.82
  4. Step 4: Simplify right side
    21,431,868,666.85x = 227,247,518,535,958,888,448
  5. Step 5: Solve for x
    x = 227,247,518,535,958,888,448/21,431,868,666.85
  6. Step 6: Final answer
    x = 10,603,252,663.99

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1.5x scale

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.