Home / 457,312,010.84-685,620,895.62-235,744,591.40

Finding the Fourth Proportional to 457,312,010.84, 685,620,895.62 and 235,744,591.40

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Solution

The fourth proportional to 457,312,010.84, 685,620,895.62 and 235,744,591.40 is: 353,437,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,312,010.84 : 685,620,895.62 = 235,744,591.40 : x
  2. Step 2: Convert to fraction form
    457,312,010.84/685,620,895.62 = 235,744,591.40/x
  3. Step 3: Cross multiply
    457,312,010.84x = 685,620,895.62 × 235,744,591.40
  4. Step 4: Simplify right side
    457,312,010.84x = 161,631,417,893,238,944
  5. Step 5: Solve for x
    x = 161,631,417,893,238,944/457,312,010.84
  6. Step 6: Final answer
    x = 353,437,946.22

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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.