Home / 19,984,518,331.20-29,976,777,496.80-19,403,387,597.70

Finding the Fourth Proportional to 19,984,518,331.20, 29,976,777,496.80 and 19,403,387,597.70

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Solution

The fourth proportional to 19,984,518,331.20, 29,976,777,496.80 and 19,403,387,597.70 is: 29,105,081,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984,518,331.20 : 29,976,777,496.80 = 19,403,387,597.70 : x
  2. Step 2: Convert to fraction form
    19,984,518,331.20/29,976,777,496.80 = 19,403,387,597.70/x
  3. Step 3: Cross multiply
    19,984,518,331.20x = 29,976,777,496.80 × 19,403,387,597.70
  4. Step 4: Simplify right side
    19,984,518,331.20x = 581,651,032,700,421,603,328
  5. Step 5: Solve for x
    x = 581,651,032,700,421,603,328/19,984,518,331.20
  6. Step 6: Final answer
    x = 29,105,081,396.55

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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.