Home / 712,181,215.30-1,068,271,822.95-528,515,205.70

Finding the Fourth Proportional to 712,181,215.30, 1,068,271,822.95 and 528,515,205.70

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Solution

The fourth proportional to 712,181,215.30, 1,068,271,822.95 and 528,515,205.70 is: 792,772,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,181,215.30 : 1,068,271,822.95 = 528,515,205.70 : x
  2. Step 2: Convert to fraction form
    712,181,215.30/1,068,271,822.95 = 528,515,205.70/x
  3. Step 3: Cross multiply
    712,181,215.30x = 1,068,271,822.95 × 528,515,205.70
  4. Step 4: Simplify right side
    712,181,215.30x = 564,597,902,249,933,248
  5. Step 5: Solve for x
    x = 564,597,902,249,933,248/712,181,215.30
  6. Step 6: Final answer
    x = 792,772,808.55

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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.