Home / 12,931,488,064.80-19,397,232,097.20-5,584,847,680.80

Finding the Fourth Proportional to 12,931,488,064.80, 19,397,232,097.20 and 5,584,847,680.80

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Solution

The fourth proportional to 12,931,488,064.80, 19,397,232,097.20 and 5,584,847,680.80 is: 8,377,271,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,488,064.80 : 19,397,232,097.20 = 5,584,847,680.80 : x
  2. Step 2: Convert to fraction form
    12,931,488,064.80/19,397,232,097.20 = 5,584,847,680.80/x
  3. Step 3: Cross multiply
    12,931,488,064.80x = 19,397,232,097.20 × 5,584,847,680.80
  4. Step 4: Simplify right side
    12,931,488,064.80x = 108,330,586,691,986,751,488
  5. Step 5: Solve for x
    x = 108,330,586,691,986,751,488/12,931,488,064.80
  6. Step 6: Final answer
    x = 8,377,271,521.20

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Double scale
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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.