Home / 808,291,241.37-1,212,431,774.40-434,974,976.61

Finding the Fourth Proportional to 808,291,241.37, 1,212,431,774.40 and 434,974,976.61

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Solution

The fourth proportional to 808,291,241.37, 1,212,431,774.40 and 434,974,976.61 is: 652,459,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,291,241.37 : 1,212,431,774.40 = 434,974,976.61 : x
  2. Step 2: Convert to fraction form
    808,291,241.37/1,212,431,774.40 = 434,974,976.61/x
  3. Step 3: Cross multiply
    808,291,241.37x = 1,212,431,774.40 × 434,974,976.61
  4. Step 4: Simplify right side
    808,291,241.37x = 527,377,482,708,685,952
  5. Step 5: Solve for x
    x = 527,377,482,708,685,952/808,291,241.37
  6. Step 6: Final answer
    x = 652,459,727.04

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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.