Home / 776,091,167.20-1,164,136,750.80-671,787,013.60

Finding the Fourth Proportional to 776,091,167.20, 1,164,136,750.80 and 671,787,013.60

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Solution

The fourth proportional to 776,091,167.20, 1,164,136,750.80 and 671,787,013.60 is: 1,007,680,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,091,167.20 : 1,164,136,750.80 = 671,787,013.60 : x
  2. Step 2: Convert to fraction form
    776,091,167.20/1,164,136,750.80 = 671,787,013.60/x
  3. Step 3: Cross multiply
    776,091,167.20x = 1,164,136,750.80 × 671,787,013.60
  4. Step 4: Simplify right side
    776,091,167.20x = 782,051,951,241,939,456
  5. Step 5: Solve for x
    x = 782,051,951,241,939,456/776,091,167.20
  6. Step 6: Final answer
    x = 1,007,680,520.40

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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.