Home / 847,872,133.70-1,271,808,200.55-265,655,020.10

Finding the Fourth Proportional to 847,872,133.70, 1,271,808,200.55 and 265,655,020.10

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Solution

The fourth proportional to 847,872,133.70, 1,271,808,200.55 and 265,655,020.10 is: 398,482,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,872,133.70 : 1,271,808,200.55 = 265,655,020.10 : x
  2. Step 2: Convert to fraction form
    847,872,133.70/1,271,808,200.55 = 265,655,020.10/x
  3. Step 3: Cross multiply
    847,872,133.70x = 1,271,808,200.55 × 265,655,020.10
  4. Step 4: Simplify right side
    847,872,133.70x = 337,862,233,080,455,040
  5. Step 5: Solve for x
    x = 337,862,233,080,455,040/847,872,133.70
  6. Step 6: Final answer
    x = 398,482,530.15

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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.