Home / 1,816,156,837.20-2,506,296,412.41-980,781,334.02

Finding the Fourth Proportional to 1,816,156,837.20, 2,506,296,412.41 and 980,781,334.02

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Solution

The fourth proportional to 1,816,156,837.20, 2,506,296,412.41 and 980,781,334.02 is: 1,353,478,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,156,837.20 : 2,506,296,412.41 = 980,781,334.02 : x
  2. Step 2: Convert to fraction form
    1,816,156,837.20/2,506,296,412.41 = 980,781,334.02/x
  3. Step 3: Cross multiply
    1,816,156,837.20x = 2,506,296,412.41 × 980,781,334.02
  4. Step 4: Simplify right side
    1,816,156,837.20x = 2,458,128,738,813,019,648
  5. Step 5: Solve for x
    x = 2,458,128,738,813,019,648/1,816,156,837.20
  6. Step 6: Final answer
    x = 1,353,478,228.57

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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.