Home / 295,247,643.60-442,871,465.40-172,299,752.40

Finding the Fourth Proportional to 295,247,643.60, 442,871,465.40 and 172,299,752.40

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Solution

The fourth proportional to 295,247,643.60, 442,871,465.40 and 172,299,752.40 is: 258,449,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247,643.60 : 442,871,465.40 = 172,299,752.40 : x
  2. Step 2: Convert to fraction form
    295,247,643.60/442,871,465.40 = 172,299,752.40/x
  3. Step 3: Cross multiply
    295,247,643.60x = 442,871,465.40 × 172,299,752.40
  4. Step 4: Simplify right side
    295,247,643.60x = 76,306,643,833,445,168
  5. Step 5: Solve for x
    x = 76,306,643,833,445,168/295,247,643.60
  6. Step 6: Final answer
    x = 258,449,628.60

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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.