Home / 392,206,468.40-587,248,019.40-307,271,812.40

Finding the Fourth Proportional to 392,206,468.40, 587,248,019.40 and 307,271,812.40

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Solution

The fourth proportional to 392,206,468.40, 587,248,019.40 and 307,271,812.40 is: 460,075,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,206,468.40 : 587,248,019.40 = 307,271,812.40 : x
  2. Step 2: Convert to fraction form
    392,206,468.40/587,248,019.40 = 307,271,812.40/x
  3. Step 3: Cross multiply
    392,206,468.40x = 587,248,019.40 × 307,271,812.40
  4. Step 4: Simplify right side
    392,206,468.40x = 180,444,763,249,348,352
  5. Step 5: Solve for x
    x = 180,444,763,249,348,352/392,206,468.40
  6. Step 6: Final answer
    x = 460,075,949.25

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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.