Home / 712,877,067.90-1,069,166,302.65-349,632,114.30

Finding the Fourth Proportional to 712,877,067.90, 1,069,166,302.65 and 349,632,114.30

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Solution

The fourth proportional to 712,877,067.90, 1,069,166,302.65 and 349,632,114.30 is: 524,374,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,877,067.90 : 1,069,166,302.65 = 349,632,114.30 : x
  2. Step 2: Convert to fraction form
    712,877,067.90/1,069,166,302.65 = 349,632,114.30/x
  3. Step 3: Cross multiply
    712,877,067.90x = 1,069,166,302.65 × 349,632,114.30
  4. Step 4: Simplify right side
    712,877,067.90x = 373,814,874,933,833,216
  5. Step 5: Solve for x
    x = 373,814,874,933,833,216/712,877,067.90
  6. Step 6: Final answer
    x = 524,374,947.33

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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.