Home / 647,870,615.02-894,678,925.34-612,575,037.12

Finding the Fourth Proportional to 647,870,615.02, 894,678,925.34 and 612,575,037.12

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Solution

The fourth proportional to 647,870,615.02, 894,678,925.34 and 612,575,037.12 is: 845,937,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,870,615.02 : 894,678,925.34 = 612,575,037.12 : x
  2. Step 2: Convert to fraction form
    647,870,615.02/894,678,925.34 = 612,575,037.12/x
  3. Step 3: Cross multiply
    647,870,615.02x = 894,678,925.34 × 612,575,037.12
  4. Step 4: Simplify right side
    647,870,615.02x = 548,057,975,897,569,344
  5. Step 5: Solve for x
    x = 548,057,975,897,569,344/647,870,615.02
  6. Step 6: Final answer
    x = 845,937,388.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.