Home / 890,313,031.27-1,228,628,047.35-508,828,701.84

Finding the Fourth Proportional to 890,313,031.27, 1,228,628,047.35 and 508,828,701.84

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Solution

The fourth proportional to 890,313,031.27, 1,228,628,047.35 and 508,828,701.84 is: 702,181,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,313,031.27 : 1,228,628,047.35 = 508,828,701.84 : x
  2. Step 2: Convert to fraction form
    890,313,031.27/1,228,628,047.35 = 508,828,701.84/x
  3. Step 3: Cross multiply
    890,313,031.27x = 1,228,628,047.35 × 508,828,701.84
  4. Step 4: Simplify right side
    890,313,031.27x = 625,161,214,381,200,768
  5. Step 5: Solve for x
    x = 625,161,214,381,200,768/890,313,031.27
  6. Step 6: Final answer
    x = 702,181,359.17

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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.