Home / 656,772,158,465.18-984,799,102,768.58-521,503,209,428.92

Finding the Fourth Proportional to 656,772,158,465.18, 984,799,102,768.58 and 521,503,209,428.92

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Solution

The fourth proportional to 656,772,158,465.18, 984,799,102,768.58 and 521,503,209,428.92 is: 781,969,646,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,772,158,465.18 : 984,799,102,768.58 = 521,503,209,428.92 : x
  2. Step 2: Convert to fraction form
    656,772,158,465.18/984,799,102,768.58 = 521,503,209,428.92/x
  3. Step 3: Cross multiply
    656,772,158,465.18x = 984,799,102,768.58 × 521,503,209,428.92
  4. Step 4: Simplify right side
    656,772,158,465.18x = 513,575,892,736,535,219,404,800
  5. Step 5: Solve for x
    x = 513,575,892,736,535,219,404,800/656,772,158,465.18
  6. Step 6: Final answer
    x = 781,969,646,729.12

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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.