Home / 375,280,742,423.56-517,883,745,289.72-203,992,482,639.28

Finding the Fourth Proportional to 375,280,742,423.56, 517,883,745,289.72 and 203,992,482,639.28

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Solution

The fourth proportional to 375,280,742,423.56, 517,883,745,289.72 and 203,992,482,639.28 is: 281,507,626,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,280,742,423.56 : 517,883,745,289.72 = 203,992,482,639.28 : x
  2. Step 2: Convert to fraction form
    375,280,742,423.56/517,883,745,289.72 = 203,992,482,639.28/x
  3. Step 3: Cross multiply
    375,280,742,423.56x = 517,883,745,289.72 × 203,992,482,639.28
  4. Step 4: Simplify right side
    375,280,742,423.56x = 105,644,390,920,178,513,215,488
  5. Step 5: Solve for x
    x = 105,644,390,920,178,513,215,488/375,280,742,423.56
  6. Step 6: Final answer
    x = 281,507,626,098.61

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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.