Home / 947,573,091.83-1,421,488,984.12-394,746,236.53

Finding the Fourth Proportional to 947,573,091.83, 1,421,488,984.12 and 394,746,236.53

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Solution

The fourth proportional to 947,573,091.83, 1,421,488,984.12 and 394,746,236.53 is: 592,173,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,573,091.83 : 1,421,488,984.12 = 394,746,236.53 : x
  2. Step 2: Convert to fraction form
    947,573,091.83/1,421,488,984.12 = 394,746,236.53/x
  3. Step 3: Cross multiply
    947,573,091.83x = 1,421,488,984.12 × 394,746,236.53
  4. Step 4: Simplify right side
    947,573,091.83x = 561,127,426,745,682,304
  5. Step 5: Solve for x
    x = 561,127,426,745,682,304/947,573,091.83
  6. Step 6: Final answer
    x = 592,173,238.75

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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.