Home / 797,411,956.02-1,196,112,914.85-429,120,390.57

Finding the Fourth Proportional to 797,411,956.02, 1,196,112,914.85 and 429,120,390.57

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Solution

The fourth proportional to 797,411,956.02, 1,196,112,914.85 and 429,120,390.57 is: 643,677,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,411,956.02 : 1,196,112,914.85 = 429,120,390.57 : x
  2. Step 2: Convert to fraction form
    797,411,956.02/1,196,112,914.85 = 429,120,390.57/x
  3. Step 3: Cross multiply
    797,411,956.02x = 1,196,112,914.85 × 429,120,390.57
  4. Step 4: Simplify right side
    797,411,956.02x = 513,276,441,186,253,120
  5. Step 5: Solve for x
    x = 513,276,441,186,253,120/797,411,956.02
  6. Step 6: Final answer
    x = 643,677,884.83

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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.