Home / 916,730,896-1,375,134,290.88-270,498,640

Finding the Fourth Proportional to 916,730,896, 1,375,134,290.88 and 270,498,640

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Solution

The fourth proportional to 916,730,896, 1,375,134,290.88 and 270,498,640 is: 405,759,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,730,896 : 1,375,134,290.88 = 270,498,640 : x
  2. Step 2: Convert to fraction form
    916,730,896/1,375,134,290.88 = 270,498,640/x
  3. Step 3: Cross multiply
    916,730,896x = 1,375,134,290.88 × 270,498,640
  4. Step 4: Simplify right side
    916,730,896x = 371,971,955,500,404,416
  5. Step 5: Solve for x
    x = 371,971,955,500,404,416/916,730,896
  6. Step 6: Final answer
    x = 405,759,156.94

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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.