Home / 30,550,500,387.64-42,157,411,422.78-17,181,910,713.88

Finding the Fourth Proportional to 30,550,500,387.64, 42,157,411,422.78 and 17,181,910,713.88

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Solution

The fourth proportional to 30,550,500,387.64, 42,157,411,422.78 and 17,181,910,713.88 is: 23,709,754,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550,500,387.64 : 42,157,411,422.78 = 17,181,910,713.88 : x
  2. Step 2: Convert to fraction form
    30,550,500,387.64/42,157,411,422.78 = 17,181,910,713.88/x
  3. Step 3: Cross multiply
    30,550,500,387.64x = 42,157,411,422.78 × 17,181,910,713.88
  4. Step 4: Simplify right side
    30,550,500,387.64x = 724,344,878,994,510,839,808
  5. Step 5: Solve for x
    x = 724,344,878,994,510,839,808/30,550,500,387.64
  6. Step 6: Final answer
    x = 23,709,754,989.40

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Double scale
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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.