Home / 1,452,168,212.40-2,178,252,318.60-469,592,852.40

Finding the Fourth Proportional to 1,452,168,212.40, 2,178,252,318.60 and 469,592,852.40

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Solution

The fourth proportional to 1,452,168,212.40, 2,178,252,318.60 and 469,592,852.40 is: 704,389,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,168,212.40 : 2,178,252,318.60 = 469,592,852.40 : x
  2. Step 2: Convert to fraction form
    1,452,168,212.40/2,178,252,318.60 = 469,592,852.40/x
  3. Step 3: Cross multiply
    1,452,168,212.40x = 2,178,252,318.60 × 469,592,852.40
  4. Step 4: Simplify right side
    1,452,168,212.40x = 1,022,891,719,538,287,488
  5. Step 5: Solve for x
    x = 1,022,891,719,538,287,488/1,452,168,212.40
  6. Step 6: Final answer
    x = 704,389,278.60

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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.