Home / 20,163,853,005.90-30,245,779,508.85-10,865,761,269.90

Finding the Fourth Proportional to 20,163,853,005.90, 30,245,779,508.85 and 10,865,761,269.90

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Solution

The fourth proportional to 20,163,853,005.90, 30,245,779,508.85 and 10,865,761,269.90 is: 16,298,641,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,853,005.90 : 30,245,779,508.85 = 10,865,761,269.90 : x
  2. Step 2: Convert to fraction form
    20,163,853,005.90/30,245,779,508.85 = 10,865,761,269.90/x
  3. Step 3: Cross multiply
    20,163,853,005.90x = 30,245,779,508.85 × 10,865,761,269.90
  4. Step 4: Simplify right side
    20,163,853,005.90x = 328,643,419,565,197,361,152
  5. Step 5: Solve for x
    x = 328,643,419,565,197,361,152/20,163,853,005.90
  6. Step 6: Final answer
    x = 16,298,641,904.85

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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.