Home / 1,120,157,465.60-1,677,548,812.80-545,056,947.20

Finding the Fourth Proportional to 1,120,157,465.60, 1,677,548,812.80 and 545,056,947.20

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Solution

The fourth proportional to 1,120,157,465.60, 1,677,548,812.80 and 545,056,947.20 is: 816,277,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,157,465.60 : 1,677,548,812.80 = 545,056,947.20 : x
  2. Step 2: Convert to fraction form
    1,120,157,465.60/1,677,548,812.80 = 545,056,947.20/x
  3. Step 3: Cross multiply
    1,120,157,465.60x = 1,677,548,812.80 × 545,056,947.20
  4. Step 4: Simplify right side
    1,120,157,465.60x = 914,359,634,683,752,320
  5. Step 5: Solve for x
    x = 914,359,634,683,752,320/1,120,157,465.60
  6. Step 6: Final answer
    x = 816,277,766.98

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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.