Home / 30,298,698,003.10-45,448,047,004.65-12,606,495,672.10

Finding the Fourth Proportional to 30,298,698,003.10, 45,448,047,004.65 and 12,606,495,672.10

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Solution

The fourth proportional to 30,298,698,003.10, 45,448,047,004.65 and 12,606,495,672.10 is: 18,909,743,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,698,003.10 : 45,448,047,004.65 = 12,606,495,672.10 : x
  2. Step 2: Convert to fraction form
    30,298,698,003.10/45,448,047,004.65 = 12,606,495,672.10/x
  3. Step 3: Cross multiply
    30,298,698,003.10x = 45,448,047,004.65 × 12,606,495,672.10
  4. Step 4: Simplify right side
    30,298,698,003.10x = 572,940,607,869,517,627,392
  5. Step 5: Solve for x
    x = 572,940,607,869,517,627,392/30,298,698,003.10
  6. Step 6: Final answer
    x = 18,909,743,508.15

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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.