Home / 486,677,656.17-730,016,492.72-118,210,125.59

Finding the Fourth Proportional to 486,677,656.17, 730,016,492.72 and 118,210,125.59

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Solution

The fourth proportional to 486,677,656.17, 730,016,492.72 and 118,210,125.59 is: 177,315,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,677,656.17 : 730,016,492.72 = 118,210,125.59 : x
  2. Step 2: Convert to fraction form
    486,677,656.17/730,016,492.72 = 118,210,125.59/x
  3. Step 3: Cross multiply
    486,677,656.17x = 730,016,492.72 × 118,210,125.59
  4. Step 4: Simplify right side
    486,677,656.17x = 86,295,341,282,961,392
  5. Step 5: Solve for x
    x = 86,295,341,282,961,392/486,677,656.17
  6. Step 6: Final answer
    x = 177,315,190.43

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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.