Home / 834,528,221.56-1,151,591,337.12-463,221,023.68

Finding the Fourth Proportional to 834,528,221.56, 1,151,591,337.12 and 463,221,023.68

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Solution

The fourth proportional to 834,528,221.56, 1,151,591,337.12 and 463,221,023.68 is: 639,213,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,528,221.56 : 1,151,591,337.12 = 463,221,023.68 : x
  2. Step 2: Convert to fraction form
    834,528,221.56/1,151,591,337.12 = 463,221,023.68/x
  3. Step 3: Cross multiply
    834,528,221.56x = 1,151,591,337.12 × 463,221,023.68
  4. Step 4: Simplify right side
    834,528,221.56x = 533,441,318,041,746,368
  5. Step 5: Solve for x
    x = 533,441,318,041,746,368/834,528,221.56
  6. Step 6: Final answer
    x = 639,213,035.89

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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.