Home / 12,931,488,016.60-19,397,232,024.90-4,207,352,560.60

Finding the Fourth Proportional to 12,931,488,016.60, 19,397,232,024.90 and 4,207,352,560.60

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Solution

The fourth proportional to 12,931,488,016.60, 19,397,232,024.90 and 4,207,352,560.60 is: 6,311,028,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,488,016.60 : 19,397,232,024.90 = 4,207,352,560.60 : x
  2. Step 2: Convert to fraction form
    12,931,488,016.60/19,397,232,024.90 = 4,207,352,560.60/x
  3. Step 3: Cross multiply
    12,931,488,016.60x = 19,397,232,024.90 × 4,207,352,560.60
  4. Step 4: Simplify right side
    12,931,488,016.60x = 81,610,993,828,515,348,480
  5. Step 5: Solve for x
    x = 81,610,993,828,515,348,480/12,931,488,016.60
  6. Step 6: Final answer
    x = 6,311,028,840.90

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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.