Home / 680,499,773.72-1,020,700,285.38-265,898,637.08

Finding the Fourth Proportional to 680,499,773.72, 1,020,700,285.38 and 265,898,637.08

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Solution

The fourth proportional to 680,499,773.72, 1,020,700,285.38 and 265,898,637.08 is: 398,828,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,499,773.72 : 1,020,700,285.38 = 265,898,637.08 : x
  2. Step 2: Convert to fraction form
    680,499,773.72/1,020,700,285.38 = 265,898,637.08/x
  3. Step 3: Cross multiply
    680,499,773.72x = 1,020,700,285.38 × 265,898,637.08
  4. Step 4: Simplify right side
    680,499,773.72x = 271,402,814,749,709,056
  5. Step 5: Solve for x
    x = 271,402,814,749,709,056/680,499,773.72
  6. Step 6: Final answer
    x = 398,828,662.74

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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.