Home / 758,786,587.22-1,046,804,849.72-507,971,787.55

Finding the Fourth Proportional to 758,786,587.22, 1,046,804,849.72 and 507,971,787.55

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Solution

The fourth proportional to 758,786,587.22, 1,046,804,849.72 and 507,971,787.55 is: 700,786,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,786,587.22 : 1,046,804,849.72 = 507,971,787.55 : x
  2. Step 2: Convert to fraction form
    758,786,587.22/1,046,804,849.72 = 507,971,787.55/x
  3. Step 3: Cross multiply
    758,786,587.22x = 1,046,804,849.72 × 507,971,787.55
  4. Step 4: Simplify right side
    758,786,587.22x = 531,747,330,728,277,568
  5. Step 5: Solve for x
    x = 531,747,330,728,277,568/758,786,587.22
  6. Step 6: Final answer
    x = 700,786,413.05

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Double scale
Find fourth proportional to 758,786,588.22, 1,046,804,851.10 and 507,971,788.55
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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.