Home / 908,988,406.90-1,254,404,538.59-507,102,157.06

Finding the Fourth Proportional to 908,988,406.90, 1,254,404,538.59 and 507,102,157.06

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Solution

The fourth proportional to 908,988,406.90, 1,254,404,538.59 and 507,102,157.06 is: 699,801,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,988,406.90 : 1,254,404,538.59 = 507,102,157.06 : x
  2. Step 2: Convert to fraction form
    908,988,406.90/1,254,404,538.59 = 507,102,157.06/x
  3. Step 3: Cross multiply
    908,988,406.90x = 1,254,404,538.59 × 507,102,157.06
  4. Step 4: Simplify right side
    908,988,406.90x = 636,111,247,339,171,456
  5. Step 5: Solve for x
    x = 636,111,247,339,171,456/908,988,406.90
  6. Step 6: Final answer
    x = 699,801,276.36

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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.