Home / 688,652,835.86-950,333,178.07-375,380,176.16

Finding the Fourth Proportional to 688,652,835.86, 950,333,178.07 and 375,380,176.16

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Solution

The fourth proportional to 688,652,835.86, 950,333,178.07 and 375,380,176.16 is: 518,020,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,652,835.86 : 950,333,178.07 = 375,380,176.16 : x
  2. Step 2: Convert to fraction form
    688,652,835.86/950,333,178.07 = 375,380,176.16/x
  3. Step 3: Cross multiply
    688,652,835.86x = 950,333,178.07 × 375,380,176.16
  4. Step 4: Simplify right side
    688,652,835.86x = 356,736,235,797,454,336
  5. Step 5: Solve for x
    x = 356,736,235,797,454,336/688,652,835.86
  6. Step 6: Final answer
    x = 518,020,426.58

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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.