Home / 578,770,869.40-869,164,073.70-306,673,077.40

Finding the Fourth Proportional to 578,770,869.40, 869,164,073.70 and 306,673,077.40

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Solution

The fourth proportional to 578,770,869.40, 869,164,073.70 and 306,673,077.40 is: 460,543,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,770,869.40 : 869,164,073.70 = 306,673,077.40 : x
  2. Step 2: Convert to fraction form
    578,770,869.40/869,164,073.70 = 306,673,077.40/x
  3. Step 3: Cross multiply
    578,770,869.40x = 869,164,073.70 × 306,673,077.40
  4. Step 4: Simplify right side
    578,770,869.40x = 266,549,221,247,099,392
  5. Step 5: Solve for x
    x = 266,549,221,247,099,392/578,770,869.40
  6. Step 6: Final answer
    x = 460,543,602.55

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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.