Home / 727,888,975.60-1,091,833,463.40-452,389,961.20

Finding the Fourth Proportional to 727,888,975.60, 1,091,833,463.40 and 452,389,961.20

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Solution

The fourth proportional to 727,888,975.60, 1,091,833,463.40 and 452,389,961.20 is: 678,584,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,888,975.60 : 1,091,833,463.40 = 452,389,961.20 : x
  2. Step 2: Convert to fraction form
    727,888,975.60/1,091,833,463.40 = 452,389,961.20/x
  3. Step 3: Cross multiply
    727,888,975.60x = 1,091,833,463.40 × 452,389,961.20
  4. Step 4: Simplify right side
    727,888,975.60x = 493,934,498,144,387,648
  5. Step 5: Solve for x
    x = 493,934,498,144,387,648/727,888,975.60
  6. Step 6: Final answer
    x = 678,584,941.80

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1.5x scale

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.