Home / 472,559,000.80-708,838,501.20-127,512,074.20

Finding the Fourth Proportional to 472,559,000.80, 708,838,501.20 and 127,512,074.20

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Solution

The fourth proportional to 472,559,000.80, 708,838,501.20 and 127,512,074.20 is: 191,268,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,559,000.80 : 708,838,501.20 = 127,512,074.20 : x
  2. Step 2: Convert to fraction form
    472,559,000.80/708,838,501.20 = 127,512,074.20/x
  3. Step 3: Cross multiply
    472,559,000.80x = 708,838,501.20 × 127,512,074.20
  4. Step 4: Simplify right side
    472,559,000.80x = 90,385,467,560,831,200
  5. Step 5: Solve for x
    x = 90,385,467,560,831,200/472,559,000.80
  6. Step 6: Final answer
    x = 191,268,111.30

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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.