Home / 502,110,378.12-692,894,648.90-276,047,715.88

Finding the Fourth Proportional to 502,110,378.12, 692,894,648.90 and 276,047,715.88

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Solution

The fourth proportional to 502,110,378.12, 692,894,648.90 and 276,047,715.88 is: 380,936,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,110,378.12 : 692,894,648.90 = 276,047,715.88 : x
  2. Step 2: Convert to fraction form
    502,110,378.12/692,894,648.90 = 276,047,715.88/x
  3. Step 3: Cross multiply
    502,110,378.12x = 692,894,648.90 × 276,047,715.88
  4. Step 4: Simplify right side
    502,110,378.12x = 191,271,985,174,319,552
  5. Step 5: Solve for x
    x = 191,271,985,174,319,552/502,110,378.12
  6. Step 6: Final answer
    x = 380,936,131.79

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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.