Home / 459,995,636.16-634,849,643.52-261,805,320

Finding the Fourth Proportional to 459,995,636.16, 634,849,643.52 and 261,805,320

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Solution

The fourth proportional to 459,995,636.16, 634,849,643.52 and 261,805,320 is: 361,323,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,995,636.16 : 634,849,643.52 = 261,805,320 : x
  2. Step 2: Convert to fraction form
    459,995,636.16/634,849,643.52 = 261,805,320/x
  3. Step 3: Cross multiply
    459,995,636.16x = 634,849,643.52 × 261,805,320
  4. Step 4: Simplify right side
    459,995,636.16x = 166,207,014,073,639,520
  5. Step 5: Solve for x
    x = 166,207,014,073,639,520/459,995,636.16
  6. Step 6: Final answer
    x = 361,323,023.54

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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.