Home / 506,506,115,811.15-698,978,439,819.35-289,732,310,352.65

Finding the Fourth Proportional to 506,506,115,811.15, 698,978,439,819.35 and 289,732,310,352.65

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Solution

The fourth proportional to 506,506,115,811.15, 698,978,439,819.35 and 289,732,310,352.65 is: 399,830,588,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,506,115,811.15 : 698,978,439,819.35 = 289,732,310,352.65 : x
  2. Step 2: Convert to fraction form
    506,506,115,811.15/698,978,439,819.35 = 289,732,310,352.65/x
  3. Step 3: Cross multiply
    506,506,115,811.15x = 698,978,439,819.35 × 289,732,310,352.65
  4. Step 4: Simplify right side
    506,506,115,811.15x = 202,516,638,255,551,015,288,832
  5. Step 5: Solve for x
    x = 202,516,638,255,551,015,288,832/506,506,115,811.15
  6. Step 6: Final answer
    x = 399,830,588,286.64

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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.