Home / 12,607,488,298.20-18,911,232,447.30-12,435,495,619.80

Finding the Fourth Proportional to 12,607,488,298.20, 18,911,232,447.30 and 12,435,495,619.80

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Solution

The fourth proportional to 12,607,488,298.20, 18,911,232,447.30 and 12,435,495,619.80 is: 18,653,243,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,488,298.20 : 18,911,232,447.30 = 12,435,495,619.80 : x
  2. Step 2: Convert to fraction form
    12,607,488,298.20/18,911,232,447.30 = 12,435,495,619.80/x
  3. Step 3: Cross multiply
    12,607,488,298.20x = 18,911,232,447.30 × 12,435,495,619.80
  4. Step 4: Simplify right side
    12,607,488,298.20x = 235,170,548,263,418,757,120
  5. Step 5: Solve for x
    x = 235,170,548,263,418,757,120/12,607,488,298.20
  6. Step 6: Final answer
    x = 18,653,243,429.70

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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.