Home / 28,730,278,964.01-39,648,989,478.24-16,522,993,612.74

Finding the Fourth Proportional to 28,730,278,964.01, 39,648,989,478.24 and 16,522,993,612.74

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Solution

The fourth proportional to 28,730,278,964.01, 39,648,989,478.24 and 16,522,993,612.74 is: 22,802,423,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730,278,964.01 : 39,648,989,478.24 = 16,522,993,612.74 : x
  2. Step 2: Convert to fraction form
    28,730,278,964.01/39,648,989,478.24 = 16,522,993,612.74/x
  3. Step 3: Cross multiply
    28,730,278,964.01x = 39,648,989,478.24 × 16,522,993,612.74
  4. Step 4: Simplify right side
    28,730,278,964.01x = 655,119,999,900,554,887,168
  5. Step 5: Solve for x
    x = 655,119,999,900,554,887,168/28,730,278,964.01
  6. Step 6: Final answer
    x = 22,802,423,906.89

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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.