Home / 908,988,409.90-1,254,404,542.74-507,102,160.06

Finding the Fourth Proportional to 908,988,409.90, 1,254,404,542.74 and 507,102,160.06

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Solution

The fourth proportional to 908,988,409.90, 1,254,404,542.74 and 507,102,160.06 is: 699,801,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,988,409.90 : 1,254,404,542.74 = 507,102,160.06 : x
  2. Step 2: Convert to fraction form
    908,988,409.90/1,254,404,542.74 = 507,102,160.06/x
  3. Step 3: Cross multiply
    908,988,409.90x = 1,254,404,542.74 × 507,102,160.06
  4. Step 4: Simplify right side
    908,988,409.90x = 636,111,253,212,530,560
  5. Step 5: Solve for x
    x = 636,111,253,212,530,560/908,988,409.90
  6. Step 6: Final answer
    x = 699,801,280.51

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Double scale
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1.5x scale

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.