Home / 523,581,831.26-722,547,800.82-288,640,899.23

Finding the Fourth Proportional to 523,581,831.26, 722,547,800.82 and 288,640,899.23

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Solution

The fourth proportional to 523,581,831.26, 722,547,800.82 and 288,640,899.23 is: 398,327,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,581,831.26 : 722,547,800.82 = 288,640,899.23 : x
  2. Step 2: Convert to fraction form
    523,581,831.26/722,547,800.82 = 288,640,899.23/x
  3. Step 3: Cross multiply
    523,581,831.26x = 722,547,800.82 × 288,640,899.23
  4. Step 4: Simplify right side
    523,581,831.26x = 208,556,846,961,731,040
  5. Step 5: Solve for x
    x = 208,556,846,961,731,040/523,581,831.26
  6. Step 6: Final answer
    x = 398,327,127.70

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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.