Home / 265,154,779.80-397,060,323.30-211,407,067.80

Finding the Fourth Proportional to 265,154,779.80, 397,060,323.30 and 211,407,067.80

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Solution

The fourth proportional to 265,154,779.80, 397,060,323.30 and 211,407,067.80 is: 316,574,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,154,779.80 : 397,060,323.30 = 211,407,067.80 : x
  2. Step 2: Convert to fraction form
    265,154,779.80/397,060,323.30 = 211,407,067.80/x
  3. Step 3: Cross multiply
    265,154,779.80x = 397,060,323.30 × 211,407,067.80
  4. Step 4: Simplify right side
    265,154,779.80x = 83,941,358,688,573,024
  5. Step 5: Solve for x
    x = 83,941,358,688,573,024/265,154,779.80
  6. Step 6: Final answer
    x = 316,574,940.69

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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.