Home / 20,163,854,646.90-30,245,781,970.35-10,865,762,910.90

Finding the Fourth Proportional to 20,163,854,646.90, 30,245,781,970.35 and 10,865,762,910.90

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Solution

The fourth proportional to 20,163,854,646.90, 30,245,781,970.35 and 10,865,762,910.90 is: 16,298,644,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,854,646.90 : 30,245,781,970.35 = 10,865,762,910.90 : x
  2. Step 2: Convert to fraction form
    20,163,854,646.90/30,245,781,970.35 = 10,865,762,910.90/x
  3. Step 3: Cross multiply
    20,163,854,646.90x = 30,245,781,970.35 × 10,865,762,910.90
  4. Step 4: Simplify right side
    20,163,854,646.90x = 328,643,495,944,596,946,944
  5. Step 5: Solve for x
    x = 328,643,495,944,596,946,944/20,163,854,646.90
  6. Step 6: Final answer
    x = 16,298,644,366.35

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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.