Home / 712,181,202.30-1,068,271,803.45-528,515,192.70

Finding the Fourth Proportional to 712,181,202.30, 1,068,271,803.45 and 528,515,192.70

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Solution

The fourth proportional to 712,181,202.30, 1,068,271,803.45 and 528,515,192.70 is: 792,772,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,181,202.30 : 1,068,271,803.45 = 528,515,192.70 : x
  2. Step 2: Convert to fraction form
    712,181,202.30/1,068,271,803.45 = 528,515,192.70/x
  3. Step 3: Cross multiply
    712,181,202.30x = 1,068,271,803.45 × 528,515,192.70
  4. Step 4: Simplify right side
    712,181,202.30x = 564,597,878,056,353,280
  5. Step 5: Solve for x
    x = 564,597,878,056,353,280/712,181,202.30
  6. Step 6: Final answer
    x = 792,772,789.05

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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.