Home / 12,287,113,150.80-18,430,669,726.20-7,062,835,544.40

Finding the Fourth Proportional to 12,287,113,150.80, 18,430,669,726.20 and 7,062,835,544.40

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Solution

The fourth proportional to 12,287,113,150.80, 18,430,669,726.20 and 7,062,835,544.40 is: 10,594,253,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,113,150.80 : 18,430,669,726.20 = 7,062,835,544.40 : x
  2. Step 2: Convert to fraction form
    12,287,113,150.80/18,430,669,726.20 = 7,062,835,544.40/x
  3. Step 3: Cross multiply
    12,287,113,150.80x = 18,430,669,726.20 × 7,062,835,544.40
  4. Step 4: Simplify right side
    12,287,113,150.80x = 130,172,789,249,302,380,544
  5. Step 5: Solve for x
    x = 130,172,789,249,302,380,544/12,287,113,150.80
  6. Step 6: Final answer
    x = 10,594,253,316.60

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Double scale
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Similar ratio
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1.5x scale

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.