Home / 12,779,943,126.16-17,638,073,508.90-7,354,367,231.08

Finding the Fourth Proportional to 12,779,943,126.16, 17,638,073,508.90 and 7,354,367,231.08

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Solution

The fourth proportional to 12,779,943,126.16, 17,638,073,508.90 and 7,354,367,231.08 is: 10,150,034,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,943,126.16 : 17,638,073,508.90 = 7,354,367,231.08 : x
  2. Step 2: Convert to fraction form
    12,779,943,126.16/17,638,073,508.90 = 7,354,367,231.08/x
  3. Step 3: Cross multiply
    12,779,943,126.16x = 17,638,073,508.90 × 7,354,367,231.08
  4. Step 4: Simplify right side
    12,779,943,126.16x = 129,716,869,833,234,399,232
  5. Step 5: Solve for x
    x = 129,716,869,833,234,399,232/12,779,943,126.16
  6. Step 6: Final answer
    x = 10,150,034,984.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.