Home / 898,964,634.98-1,348,555,004.87-316,578,519.74

Finding the Fourth Proportional to 898,964,634.98, 1,348,555,004.87 and 316,578,519.74

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Solution

The fourth proportional to 898,964,634.98, 1,348,555,004.87 and 316,578,519.74 is: 474,905,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,964,634.98 : 1,348,555,004.87 = 316,578,519.74 : x
  2. Step 2: Convert to fraction form
    898,964,634.98/1,348,555,004.87 = 316,578,519.74/x
  3. Step 3: Cross multiply
    898,964,634.98x = 1,348,555,004.87 × 316,578,519.74
  4. Step 4: Simplify right side
    898,964,634.98x = 426,923,547,231,501,568
  5. Step 5: Solve for x
    x = 426,923,547,231,501,568/898,964,634.98
  6. Step 6: Final answer
    x = 474,905,831.24

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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.