Home / 42,287,449,715.04-63,459,119,512.65-19,909,597,697.17

Finding the Fourth Proportional to 42,287,449,715.04, 63,459,119,512.65 and 19,909,597,697.17

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Solution

The fourth proportional to 42,287,449,715.04, 63,459,119,512.65 and 19,909,597,697.17 is: 29,877,553,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,287,449,715.04 : 63,459,119,512.65 = 19,909,597,697.17 : x
  2. Step 2: Convert to fraction form
    42,287,449,715.04/63,459,119,512.65 = 19,909,597,697.17/x
  3. Step 3: Cross multiply
    42,287,449,715.04x = 63,459,119,512.65 × 19,909,597,697.17
  4. Step 4: Simplify right side
    42,287,449,715.04x = 1,263,445,539,713,492,189,184
  5. Step 5: Solve for x
    x = 1,263,445,539,713,492,189,184/42,287,449,715.04
  6. Step 6: Final answer
    x = 29,877,553,463.91

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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.