Home / 787,392,068.40-1,181,088,102.60-242,062,743.60

Finding the Fourth Proportional to 787,392,068.40, 1,181,088,102.60 and 242,062,743.60

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Solution

The fourth proportional to 787,392,068.40, 1,181,088,102.60 and 242,062,743.60 is: 363,094,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,392,068.40 : 1,181,088,102.60 = 242,062,743.60 : x
  2. Step 2: Convert to fraction form
    787,392,068.40/1,181,088,102.60 = 242,062,743.60/x
  3. Step 3: Cross multiply
    787,392,068.40x = 1,181,088,102.60 × 242,062,743.60
  4. Step 4: Simplify right side
    787,392,068.40x = 285,897,426,548,674,272
  5. Step 5: Solve for x
    x = 285,897,426,548,674,272/787,392,068.40
  6. Step 6: Final answer
    x = 363,094,115.40

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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.