Home / 714,234,043.62-985,750,554.69-435,937,287.78

Finding the Fourth Proportional to 714,234,043.62, 985,750,554.69 and 435,937,287.78

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Solution

The fourth proportional to 714,234,043.62, 985,750,554.69 and 435,937,287.78 is: 601,659,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,234,043.62 : 985,750,554.69 = 435,937,287.78 : x
  2. Step 2: Convert to fraction form
    714,234,043.62/985,750,554.69 = 435,937,287.78/x
  3. Step 3: Cross multiply
    714,234,043.62x = 985,750,554.69 × 435,937,287.78
  4. Step 4: Simplify right side
    714,234,043.62x = 429,725,423,239,189,184
  5. Step 5: Solve for x
    x = 429,725,423,239,189,184/714,234,043.62
  6. Step 6: Final answer
    x = 601,659,115.91

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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.