Home / 502,110,377.12-692,894,647.52-276,047,714.88

Finding the Fourth Proportional to 502,110,377.12, 692,894,647.52 and 276,047,714.88

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Solution

The fourth proportional to 502,110,377.12, 692,894,647.52 and 276,047,714.88 is: 380,936,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,110,377.12 : 692,894,647.52 = 276,047,714.88 : x
  2. Step 2: Convert to fraction form
    502,110,377.12/692,894,647.52 = 276,047,714.88/x
  3. Step 3: Cross multiply
    502,110,377.12x = 692,894,647.52 × 276,047,714.88
  4. Step 4: Simplify right side
    502,110,377.12x = 191,271,984,100,479,040
  5. Step 5: Solve for x
    x = 191,271,984,100,479,040/502,110,377.12
  6. Step 6: Final answer
    x = 380,936,130.41

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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.