Home / 908,988,410.40-1,254,404,543.42-507,102,160.56

Finding the Fourth Proportional to 908,988,410.40, 1,254,404,543.42 and 507,102,160.56

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Solution

The fourth proportional to 908,988,410.40, 1,254,404,543.42 and 507,102,160.56 is: 699,801,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,988,410.40 : 1,254,404,543.42 = 507,102,160.56 : x
  2. Step 2: Convert to fraction form
    908,988,410.40/1,254,404,543.42 = 507,102,160.56/x
  3. Step 3: Cross multiply
    908,988,410.40x = 1,254,404,543.42 × 507,102,160.56
  4. Step 4: Simplify right side
    908,988,410.40x = 636,111,254,184,562,432
  5. Step 5: Solve for x
    x = 636,111,254,184,562,432/908,988,410.40
  6. Step 6: Final answer
    x = 699,801,281.19

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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.