Home / 714,234,256.80-985,750,848.56-435,937,500.80

Finding the Fourth Proportional to 714,234,256.80, 985,750,848.56 and 435,937,500.80

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Solution

The fourth proportional to 714,234,256.80, 985,750,848.56 and 435,937,500.80 is: 601,659,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,234,256.80 : 985,750,848.56 = 435,937,500.80 : x
  2. Step 2: Convert to fraction form
    714,234,256.80/985,750,848.56 = 435,937,500.80/x
  3. Step 3: Cross multiply
    714,234,256.80x = 985,750,848.56 × 435,937,500.80
  4. Step 4: Simplify right side
    714,234,256.80x = 429,725,761,332,725,696
  5. Step 5: Solve for x
    x = 429,725,761,332,725,696/714,234,256.80
  6. Step 6: Final answer
    x = 601,659,409.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.