Home / 30,298,697,979.10-45,448,046,968.65-12,606,495,648.10

Finding the Fourth Proportional to 30,298,697,979.10, 45,448,046,968.65 and 12,606,495,648.10

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Solution

The fourth proportional to 30,298,697,979.10, 45,448,046,968.65 and 12,606,495,648.10 is: 18,909,743,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,697,979.10 : 45,448,046,968.65 = 12,606,495,648.10 : x
  2. Step 2: Convert to fraction form
    30,298,697,979.10/45,448,046,968.65 = 12,606,495,648.10/x
  3. Step 3: Cross multiply
    30,298,697,979.10x = 45,448,046,968.65 × 12,606,495,648.10
  4. Step 4: Simplify right side
    30,298,697,979.10x = 572,940,606,324,930,641,920
  5. Step 5: Solve for x
    x = 572,940,606,324,930,641,920/30,298,697,979.10
  6. Step 6: Final answer
    x = 18,909,743,472.15

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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.