Home / 605,103,636.30-907,655,454.45-519,010,194.30

Finding the Fourth Proportional to 605,103,636.30, 907,655,454.45 and 519,010,194.30

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Solution

The fourth proportional to 605,103,636.30, 907,655,454.45 and 519,010,194.30 is: 778,515,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,103,636.30 : 907,655,454.45 = 519,010,194.30 : x
  2. Step 2: Convert to fraction form
    605,103,636.30/907,655,454.45 = 519,010,194.30/x
  3. Step 3: Cross multiply
    605,103,636.30x = 907,655,454.45 × 519,010,194.30
  4. Step 4: Simplify right side
    605,103,636.30x = 471,082,433,771,549,312
  5. Step 5: Solve for x
    x = 471,082,433,771,549,312/605,103,636.30
  6. Step 6: Final answer
    x = 778,515,291.45

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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.