Home / 927,827,314.42-1,280,406,755.74-546,365,992.18

Finding the Fourth Proportional to 927,827,314.42, 1,280,406,755.74 and 546,365,992.18

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Solution

The fourth proportional to 927,827,314.42, 1,280,406,755.74 and 546,365,992.18 is: 753,988,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,827,314.42 : 1,280,406,755.74 = 546,365,992.18 : x
  2. Step 2: Convert to fraction form
    927,827,314.42/1,280,406,755.74 = 546,365,992.18/x
  3. Step 3: Cross multiply
    927,827,314.42x = 1,280,406,755.74 × 546,365,992.18
  4. Step 4: Simplify right side
    927,827,314.42x = 699,570,707,487,927,168
  5. Step 5: Solve for x
    x = 699,570,707,487,927,168/927,827,314.42
  6. Step 6: Final answer
    x = 753,988,049.95

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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.