Home / 656,772,158,461.20-984,799,102,762.60-521,503,209,424.95

Finding the Fourth Proportional to 656,772,158,461.20, 984,799,102,762.60 and 521,503,209,424.95

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Solution

The fourth proportional to 656,772,158,461.20, 984,799,102,762.60 and 521,503,209,424.95 is: 781,969,646,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,772,158,461.20 : 984,799,102,762.60 = 521,503,209,424.95 : x
  2. Step 2: Convert to fraction form
    656,772,158,461.20/984,799,102,762.60 = 521,503,209,424.95/x
  3. Step 3: Cross multiply
    656,772,158,461.20x = 984,799,102,762.60 × 521,503,209,424.95
  4. Step 4: Simplify right side
    656,772,158,461.20x = 513,575,892,729,507,042,295,808
  5. Step 5: Solve for x
    x = 513,575,892,729,507,042,295,808/656,772,158,461.20
  6. Step 6: Final answer
    x = 781,969,646,723.15

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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.