Home / 431,349,412.60-645,680,426.10-310,417,060.60

Finding the Fourth Proportional to 431,349,412.60, 645,680,426.10 and 310,417,060.60

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Solution

The fourth proportional to 431,349,412.60, 645,680,426.10 and 310,417,060.60 is: 464,658,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,349,412.60 : 645,680,426.10 = 310,417,060.60 : x
  2. Step 2: Convert to fraction form
    431,349,412.60/645,680,426.10 = 310,417,060.60/x
  3. Step 3: Cross multiply
    431,349,412.60x = 645,680,426.10 × 310,417,060.60
  4. Step 4: Simplify right side
    431,349,412.60x = 200,430,219,956,917,536
  5. Step 5: Solve for x
    x = 200,430,219,956,917,536/431,349,412.60
  6. Step 6: Final answer
    x = 464,658,613.42

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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.