Home / 30,298,697,979.60-45,448,046,969.40-12,606,495,648.60

Finding the Fourth Proportional to 30,298,697,979.60, 45,448,046,969.40 and 12,606,495,648.60

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Solution

The fourth proportional to 30,298,697,979.60, 45,448,046,969.40 and 12,606,495,648.60 is: 18,909,743,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,697,979.60 : 45,448,046,969.40 = 12,606,495,648.60 : x
  2. Step 2: Convert to fraction form
    30,298,697,979.60/45,448,046,969.40 = 12,606,495,648.60/x
  3. Step 3: Cross multiply
    30,298,697,979.60x = 45,448,046,969.40 × 12,606,495,648.60
  4. Step 4: Simplify right side
    30,298,697,979.60x = 572,940,606,357,109,538,816
  5. Step 5: Solve for x
    x = 572,940,606,357,109,538,816/30,298,697,979.60
  6. Step 6: Final answer
    x = 18,909,743,472.90

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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.