Home / 615,934,134.75-849,779,853.78-351,426,107.55

Finding the Fourth Proportional to 615,934,134.75, 849,779,853.78 and 351,426,107.55

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Solution

The fourth proportional to 615,934,134.75, 849,779,853.78 and 351,426,107.55 is: 484,848,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,934,134.75 : 849,779,853.78 = 351,426,107.55 : x
  2. Step 2: Convert to fraction form
    615,934,134.75/849,779,853.78 = 351,426,107.55/x
  3. Step 3: Cross multiply
    615,934,134.75x = 849,779,853.78 × 351,426,107.55
  4. Step 4: Simplify right side
    615,934,134.75x = 298,634,826,288,313,536
  5. Step 5: Solve for x
    x = 298,634,826,288,313,536/615,934,134.75
  6. Step 6: Final answer
    x = 484,848,637.93

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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.