Home / 843,079,930.64-1,163,572,061.16-485,779,301.96

Finding the Fourth Proportional to 843,079,930.64, 1,163,572,061.16 and 485,779,301.96

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Solution

The fourth proportional to 843,079,930.64, 1,163,572,061.16 and 485,779,301.96 is: 670,445,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,079,930.64 : 1,163,572,061.16 = 485,779,301.96 : x
  2. Step 2: Convert to fraction form
    843,079,930.64/1,163,572,061.16 = 485,779,301.96/x
  3. Step 3: Cross multiply
    843,079,930.64x = 1,163,572,061.16 × 485,779,301.96
  4. Step 4: Simplify right side
    843,079,930.64x = 565,239,223,650,463,232
  5. Step 5: Solve for x
    x = 565,239,223,650,463,232/843,079,930.64
  6. Step 6: Final answer
    x = 670,445,592.53

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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.