Home / 746,472,313.12-1,120,208,345.52-309,773,417.13

Finding the Fourth Proportional to 746,472,313.12, 1,120,208,345.52 and 309,773,417.13

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Solution

The fourth proportional to 746,472,313.12, 1,120,208,345.52 and 309,773,417.13 is: 464,867,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,472,313.12 : 1,120,208,345.52 = 309,773,417.13 : x
  2. Step 2: Convert to fraction form
    746,472,313.12/1,120,208,345.52 = 309,773,417.13/x
  3. Step 3: Cross multiply
    746,472,313.12x = 1,120,208,345.52 × 309,773,417.13
  4. Step 4: Simplify right side
    746,472,313.12x = 347,010,767,089,274,112
  5. Step 5: Solve for x
    x = 347,010,767,089,274,112/746,472,313.12
  6. Step 6: Final answer
    x = 464,867,565.74

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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.