Home / 1,211,633,002.32-1,672,053,471-654,716,031.36

Finding the Fourth Proportional to 1,211,633,002.32, 1,672,053,471 and 654,716,031.36

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Solution

The fourth proportional to 1,211,633,002.32, 1,672,053,471 and 654,716,031.36 is: 903,508,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,633,002.32 : 1,672,053,471 = 654,716,031.36 : x
  2. Step 2: Convert to fraction form
    1,211,633,002.32/1,672,053,471 = 654,716,031.36/x
  3. Step 3: Cross multiply
    1,211,633,002.32x = 1,672,053,471 × 654,716,031.36
  4. Step 4: Simplify right side
    1,211,633,002.32x = 1,094,720,212,754,832,896
  5. Step 5: Solve for x
    x = 1,094,720,212,754,832,896/1,211,633,002.32
  6. Step 6: Final answer
    x = 903,508,084.26

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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.