Home / 315,024,007.40-472,536,011.10-299,907,463.40

Finding the Fourth Proportional to 315,024,007.40, 472,536,011.10 and 299,907,463.40

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Solution

The fourth proportional to 315,024,007.40, 472,536,011.10 and 299,907,463.40 is: 449,861,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,024,007.40 : 472,536,011.10 = 299,907,463.40 : x
  2. Step 2: Convert to fraction form
    315,024,007.40/472,536,011.10 = 299,907,463.40/x
  3. Step 3: Cross multiply
    315,024,007.40x = 472,536,011.10 × 299,907,463.40
  4. Step 4: Simplify right side
    315,024,007.40x = 141,717,076,454,155,232
  5. Step 5: Solve for x
    x = 141,717,076,454,155,232/315,024,007.40
  6. Step 6: Final answer
    x = 449,861,195.10

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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.