Home / 472,392,425.10-708,588,637.65-342,390,146.70

Finding the Fourth Proportional to 472,392,425.10, 708,588,637.65 and 342,390,146.70

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Solution

The fourth proportional to 472,392,425.10, 708,588,637.65 and 342,390,146.70 is: 513,585,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,425.10 : 708,588,637.65 = 342,390,146.70 : x
  2. Step 2: Convert to fraction form
    472,392,425.10/708,588,637.65 = 342,390,146.70/x
  3. Step 3: Cross multiply
    472,392,425.10x = 708,588,637.65 × 342,390,146.70
  4. Step 4: Simplify right side
    472,392,425.10x = 242,613,767,594,936,640
  5. Step 5: Solve for x
    x = 242,613,767,594,936,640/472,392,425.10
  6. Step 6: Final answer
    x = 513,585,220.05

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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.