Home / 315,230,937.60-472,846,406.40-265,346,342.40

Finding the Fourth Proportional to 315,230,937.60, 472,846,406.40 and 265,346,342.40

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Solution

The fourth proportional to 315,230,937.60, 472,846,406.40 and 265,346,342.40 is: 398,019,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,230,937.60 : 472,846,406.40 = 265,346,342.40 : x
  2. Step 2: Convert to fraction form
    315,230,937.60/472,846,406.40 = 265,346,342.40/x
  3. Step 3: Cross multiply
    315,230,937.60x = 472,846,406.40 × 265,346,342.40
  4. Step 4: Simplify right side
    315,230,937.60x = 125,468,064,455,223,952
  5. Step 5: Solve for x
    x = 125,468,064,455,223,952/315,230,937.60
  6. Step 6: Final answer
    x = 398,019,513.60

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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.