Home / 628,195,514.70-942,293,272.05-573,775,956.30

Finding the Fourth Proportional to 628,195,514.70, 942,293,272.05 and 573,775,956.30

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Solution

The fourth proportional to 628,195,514.70, 942,293,272.05 and 573,775,956.30 is: 860,663,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,195,514.70 : 942,293,272.05 = 573,775,956.30 : x
  2. Step 2: Convert to fraction form
    628,195,514.70/942,293,272.05 = 573,775,956.30/x
  3. Step 3: Cross multiply
    628,195,514.70x = 942,293,272.05 × 573,775,956.30
  4. Step 4: Simplify right side
    628,195,514.70x = 540,665,223,285,544,768
  5. Step 5: Solve for x
    x = 540,665,223,285,544,768/628,195,514.70
  6. Step 6: Final answer
    x = 860,663,934.45

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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.