Home / 474,456,070.20-710,489,711.70-312,018,540.60

Finding the Fourth Proportional to 474,456,070.20, 710,489,711.70 and 312,018,540.60

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Solution

The fourth proportional to 474,456,070.20, 710,489,711.70 and 312,018,540.60 is: 467,242,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,456,070.20 : 710,489,711.70 = 312,018,540.60 : x
  2. Step 2: Convert to fraction form
    474,456,070.20/710,489,711.70 = 312,018,540.60/x
  3. Step 3: Cross multiply
    474,456,070.20x = 710,489,711.70 × 312,018,540.60
  4. Step 4: Simplify right side
    474,456,070.20x = 221,685,962,955,948,768
  5. Step 5: Solve for x
    x = 221,685,962,955,948,768/474,456,070.20
  6. Step 6: Final answer
    x = 467,242,336.81

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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.