Home / 559,176,439.11-771,630,287.90-320,966,591.19

Finding the Fourth Proportional to 559,176,439.11, 771,630,287.90 and 320,966,591.19

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Solution

The fourth proportional to 559,176,439.11, 771,630,287.90 and 320,966,591.19 is: 442,914,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,176,439.11 : 771,630,287.90 = 320,966,591.19 : x
  2. Step 2: Convert to fraction form
    559,176,439.11/771,630,287.90 = 320,966,591.19/x
  3. Step 3: Cross multiply
    559,176,439.11x = 771,630,287.90 × 320,966,591.19
  4. Step 4: Simplify right side
    559,176,439.11x = 247,667,543,164,616,448
  5. Step 5: Solve for x
    x = 247,667,543,164,616,448/559,176,439.11
  6. Step 6: Final answer
    x = 442,914,840.19

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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.