Home / 287,214,784,329.70-430,822,176,494.55-88,442,245,440.10

Finding the Fourth Proportional to 287,214,784,329.70, 430,822,176,494.55 and 88,442,245,440.10

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Solution

The fourth proportional to 287,214,784,329.70, 430,822,176,494.55 and 88,442,245,440.10 is: 132,663,368,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,214,784,329.70 : 430,822,176,494.55 = 88,442,245,440.10 : x
  2. Step 2: Convert to fraction form
    287,214,784,329.70/430,822,176,494.55 = 88,442,245,440.10/x
  3. Step 3: Cross multiply
    287,214,784,329.70x = 430,822,176,494.55 × 88,442,245,440.10
  4. Step 4: Simplify right side
    287,214,784,329.70x = 38,102,880,674,569,074,507,776
  5. Step 5: Solve for x
    x = 38,102,880,674,569,074,507,776/287,214,784,329.70
  6. Step 6: Final answer
    x = 132,663,368,160.15

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1.5x scale

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.