Home / 816,107,269.60-1,224,160,904.40-808,454,519.20

Finding the Fourth Proportional to 816,107,269.60, 1,224,160,904.40 and 808,454,519.20

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Solution

The fourth proportional to 816,107,269.60, 1,224,160,904.40 and 808,454,519.20 is: 1,212,681,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,107,269.60 : 1,224,160,904.40 = 808,454,519.20 : x
  2. Step 2: Convert to fraction form
    816,107,269.60/1,224,160,904.40 = 808,454,519.20/x
  3. Step 3: Cross multiply
    816,107,269.60x = 1,224,160,904.40 × 808,454,519.20
  4. Step 4: Simplify right side
    816,107,269.60x = 989,678,415,390,139,264
  5. Step 5: Solve for x
    x = 989,678,415,390,139,264/816,107,269.60
  6. Step 6: Final answer
    x = 1,212,681,778.80

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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.