Home / 20,697,984,363.60-31,046,976,545.40-8,270,169,656.40

Finding the Fourth Proportional to 20,697,984,363.60, 31,046,976,545.40 and 8,270,169,656.40

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Solution

The fourth proportional to 20,697,984,363.60, 31,046,976,545.40 and 8,270,169,656.40 is: 12,405,254,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,984,363.60 : 31,046,976,545.40 = 8,270,169,656.40 : x
  2. Step 2: Convert to fraction form
    20,697,984,363.60/31,046,976,545.40 = 8,270,169,656.40/x
  3. Step 3: Cross multiply
    20,697,984,363.60x = 31,046,976,545.40 × 8,270,169,656.40
  4. Step 4: Simplify right side
    20,697,984,363.60x = 256,763,763,348,729,593,856
  5. Step 5: Solve for x
    x = 256,763,763,348,729,593,856/20,697,984,363.60
  6. Step 6: Final answer
    x = 12,405,254,484.60

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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.