Home / 560,442,280.58-773,458,153.54-312,971,443.46

Finding the Fourth Proportional to 560,442,280.58, 773,458,153.54 and 312,971,443.46

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Solution

The fourth proportional to 560,442,280.58, 773,458,153.54 and 312,971,443.46 is: 431,927,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,442,280.58 : 773,458,153.54 = 312,971,443.46 : x
  2. Step 2: Convert to fraction form
    560,442,280.58/773,458,153.54 = 312,971,443.46/x
  3. Step 3: Cross multiply
    560,442,280.58x = 773,458,153.54 × 312,971,443.46
  4. Step 4: Simplify right side
    560,442,280.58x = 242,070,314,769,320,096
  5. Step 5: Solve for x
    x = 242,070,314,769,320,096/560,442,280.58
  6. Step 6: Final answer
    x = 431,927,288.78

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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.