Home / 501,997,667.10-753,039,876.15-138,492,023.10

Finding the Fourth Proportional to 501,997,667.10, 753,039,876.15 and 138,492,023.10

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Solution

The fourth proportional to 501,997,667.10, 753,039,876.15 and 138,492,023.10 is: 207,750,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,997,667.10 : 753,039,876.15 = 138,492,023.10 : x
  2. Step 2: Convert to fraction form
    501,997,667.10/753,039,876.15 = 138,492,023.10/x
  3. Step 3: Cross multiply
    501,997,667.10x = 753,039,876.15 × 138,492,023.10
  4. Step 4: Simplify right side
    501,997,667.10x = 104,290,015,922,986,928
  5. Step 5: Solve for x
    x = 104,290,015,922,986,928/501,997,667.10
  6. Step 6: Final answer
    x = 207,750,001.16

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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.