Home / 390,027,447.12-584,871,088.50-147,520,290

Finding the Fourth Proportional to 390,027,447.12, 584,871,088.50 and 147,520,290

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Solution

The fourth proportional to 390,027,447.12, 584,871,088.50 and 147,520,290 is: 221,216,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,027,447.12 : 584,871,088.50 = 147,520,290 : x
  2. Step 2: Convert to fraction form
    390,027,447.12/584,871,088.50 = 147,520,290/x
  3. Step 3: Cross multiply
    390,027,447.12x = 584,871,088.50 × 147,520,290
  4. Step 4: Simplify right side
    390,027,447.12x = 86,280,352,588,135,664
  5. Step 5: Solve for x
    x = 86,280,352,588,135,664/390,027,447.12
  6. Step 6: Final answer
    x = 221,216,104.73

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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.