Home / 972,061,742.38-1,341,017,725.92-569,970,252.28

Finding the Fourth Proportional to 972,061,742.38, 1,341,017,725.92 and 569,970,252.28

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Solution

The fourth proportional to 972,061,742.38, 1,341,017,725.92 and 569,970,252.28 is: 786,308,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,061,742.38 : 1,341,017,725.92 = 569,970,252.28 : x
  2. Step 2: Convert to fraction form
    972,061,742.38/1,341,017,725.92 = 569,970,252.28/x
  3. Step 3: Cross multiply
    972,061,742.38x = 1,341,017,725.92 × 569,970,252.28
  4. Step 4: Simplify right side
    972,061,742.38x = 764,340,211,554,574,336
  5. Step 5: Solve for x
    x = 764,340,211,554,574,336/972,061,742.38
  6. Step 6: Final answer
    x = 786,308,295.28

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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.