Home / 30,298,697,948.85-45,448,046,923.28-12,606,495,617.85

Finding the Fourth Proportional to 30,298,697,948.85, 45,448,046,923.28 and 12,606,495,617.85

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Solution

The fourth proportional to 30,298,697,948.85, 45,448,046,923.28 and 12,606,495,617.85 is: 18,909,743,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,697,948.85 : 45,448,046,923.28 = 12,606,495,617.85 : x
  2. Step 2: Convert to fraction form
    30,298,697,948.85/45,448,046,923.28 = 12,606,495,617.85/x
  3. Step 3: Cross multiply
    30,298,697,948.85x = 45,448,046,923.28 × 12,606,495,617.85
  4. Step 4: Simplify right side
    30,298,697,948.85x = 572,940,604,378,107,478,016
  5. Step 5: Solve for x
    x = 572,940,604,378,107,478,016/30,298,697,948.85
  6. Step 6: Final answer
    x = 18,909,743,426.78

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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.