Home / 920,403,941.12-1,380,799,809.48-298,570,618.70

Finding the Fourth Proportional to 920,403,941.12, 1,380,799,809.48 and 298,570,618.70

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Solution

The fourth proportional to 920,403,941.12, 1,380,799,809.48 and 298,570,618.70 is: 447,918,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,403,941.12 : 1,380,799,809.48 = 298,570,618.70 : x
  2. Step 2: Convert to fraction form
    920,403,941.12/1,380,799,809.48 = 298,570,618.70/x
  3. Step 3: Cross multiply
    920,403,941.12x = 1,380,799,809.48 × 298,570,618.70
  4. Step 4: Simplify right side
    920,403,941.12x = 412,266,253,417,285,696
  5. Step 5: Solve for x
    x = 412,266,253,417,285,696/920,403,941.12
  6. Step 6: Final answer
    x = 447,918,826.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.