Home / 431,349,411.60-645,680,424.60-310,417,059.60

Finding the Fourth Proportional to 431,349,411.60, 645,680,424.60 and 310,417,059.60

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Solution

The fourth proportional to 431,349,411.60, 645,680,424.60 and 310,417,059.60 is: 464,658,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,349,411.60 : 645,680,424.60 = 310,417,059.60 : x
  2. Step 2: Convert to fraction form
    431,349,411.60/645,680,424.60 = 310,417,059.60/x
  3. Step 3: Cross multiply
    431,349,411.60x = 645,680,424.60 × 310,417,059.60
  4. Step 4: Simplify right side
    431,349,411.60x = 200,430,218,845,611,520
  5. Step 5: Solve for x
    x = 200,430,218,845,611,520/431,349,411.60
  6. Step 6: Final answer
    x = 464,658,611.92

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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.