Home / 712,616,742.06-1,067,533,526.52-338,592,358.32

Finding the Fourth Proportional to 712,616,742.06, 1,067,533,526.52 and 338,592,358.32

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Solution

The fourth proportional to 712,616,742.06, 1,067,533,526.52 and 338,592,358.32 is: 507,227,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,616,742.06 : 1,067,533,526.52 = 338,592,358.32 : x
  2. Step 2: Convert to fraction form
    712,616,742.06/1,067,533,526.52 = 338,592,358.32/x
  3. Step 3: Cross multiply
    712,616,742.06x = 1,067,533,526.52 × 338,592,358.32
  4. Step 4: Simplify right side
    712,616,742.06x = 361,458,694,330,073,024
  5. Step 5: Solve for x
    x = 361,458,694,330,073,024/712,616,742.06
  6. Step 6: Final answer
    x = 507,227,339.74

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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.