Home / 465,277,690.04-642,074,882.18-253,586,427.32

Finding the Fourth Proportional to 465,277,690.04, 642,074,882.18 and 253,586,427.32

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Solution

The fourth proportional to 465,277,690.04, 642,074,882.18 and 253,586,427.32 is: 349,944,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,277,690.04 : 642,074,882.18 = 253,586,427.32 : x
  2. Step 2: Convert to fraction form
    465,277,690.04/642,074,882.18 = 253,586,427.32/x
  3. Step 3: Cross multiply
    465,277,690.04x = 642,074,882.18 × 253,586,427.32
  4. Step 4: Simplify right side
    465,277,690.04x = 162,821,475,443,936,128
  5. Step 5: Solve for x
    x = 162,821,475,443,936,128/465,277,690.04
  6. Step 6: Final answer
    x = 349,944,729.63

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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.