Home / 514,801,380,690.56-710,524,263,856.88-340,879,758,769.28

Finding the Fourth Proportional to 514,801,380,690.56, 710,524,263,856.88 and 340,879,758,769.28

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Solution

The fourth proportional to 514,801,380,690.56, 710,524,263,856.88 and 340,879,758,769.28 is: 470,479,195,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,801,380,690.56 : 710,524,263,856.88 = 340,879,758,769.28 : x
  2. Step 2: Convert to fraction form
    514,801,380,690.56/710,524,263,856.88 = 340,879,758,769.28/x
  3. Step 3: Cross multiply
    514,801,380,690.56x = 710,524,263,856.88 × 340,879,758,769.28
  4. Step 4: Simplify right side
    514,801,380,690.56x = 242,203,339,663,253,539,127,296
  5. Step 5: Solve for x
    x = 242,203,339,663,253,539,127,296/514,801,380,690.56
  6. Step 6: Final answer
    x = 470,479,195,953.90

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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.