Home / 926,325,345.90-1,388,212,560.45-614,546,625.90

Finding the Fourth Proportional to 926,325,345.90, 1,388,212,560.45 and 614,546,625.90

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Solution

The fourth proportional to 926,325,345.90, 1,388,212,560.45 and 614,546,625.90 is: 920,973,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,325,345.90 : 1,388,212,560.45 = 614,546,625.90 : x
  2. Step 2: Convert to fraction form
    926,325,345.90/1,388,212,560.45 = 614,546,625.90/x
  3. Step 3: Cross multiply
    926,325,345.90x = 1,388,212,560.45 × 614,546,625.90
  4. Step 4: Simplify right side
    926,325,345.90x = 853,121,345,056,547,328
  5. Step 5: Solve for x
    x = 853,121,345,056,547,328/926,325,345.90
  6. Step 6: Final answer
    x = 920,973,768.92

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1.5x scale

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.