Home / 10,779,912,129.60-16,169,868,194.40-7,442,179,214.40

Finding the Fourth Proportional to 10,779,912,129.60, 16,169,868,194.40 and 7,442,179,214.40

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Solution

The fourth proportional to 10,779,912,129.60, 16,169,868,194.40 and 7,442,179,214.40 is: 11,163,268,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,912,129.60 : 16,169,868,194.40 = 7,442,179,214.40 : x
  2. Step 2: Convert to fraction form
    10,779,912,129.60/16,169,868,194.40 = 7,442,179,214.40/x
  3. Step 3: Cross multiply
    10,779,912,129.60x = 16,169,868,194.40 × 7,442,179,214.40
  4. Step 4: Simplify right side
    10,779,912,129.60x = 120,339,056,975,951,331,328
  5. Step 5: Solve for x
    x = 120,339,056,975,951,331,328/10,779,912,129.60
  6. Step 6: Final answer
    x = 11,163,268,821.60

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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.