Home / 287,214,784,328.70-430,822,176,493.05-88,442,245,439.10

Finding the Fourth Proportional to 287,214,784,328.70, 430,822,176,493.05 and 88,442,245,439.10

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Solution

The fourth proportional to 287,214,784,328.70, 430,822,176,493.05 and 88,442,245,439.10 is: 132,663,368,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,214,784,328.70 : 430,822,176,493.05 = 88,442,245,439.10 : x
  2. Step 2: Convert to fraction form
    287,214,784,328.70/430,822,176,493.05 = 88,442,245,439.10/x
  3. Step 3: Cross multiply
    287,214,784,328.70x = 430,822,176,493.05 × 88,442,245,439.10
  4. Step 4: Simplify right side
    287,214,784,328.70x = 38,102,880,674,005,586,542,592
  5. Step 5: Solve for x
    x = 38,102,880,674,005,586,542,592/287,214,784,328.70
  6. Step 6: Final answer
    x = 132,663,368,158.65

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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.