Home / 806,443,524.09-1,209,792,831.98-288,862,505.37

Finding the Fourth Proportional to 806,443,524.09, 1,209,792,831.98 and 288,862,505.37

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Solution

The fourth proportional to 806,443,524.09, 1,209,792,831.98 and 288,862,505.37 is: 433,339,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,443,524.09 : 1,209,792,831.98 = 288,862,505.37 : x
  2. Step 2: Convert to fraction form
    806,443,524.09/1,209,792,831.98 = 288,862,505.37/x
  3. Step 3: Cross multiply
    806,443,524.09x = 1,209,792,831.98 × 288,862,505.37
  4. Step 4: Simplify right side
    806,443,524.09x = 349,463,788,424,410,240
  5. Step 5: Solve for x
    x = 349,463,788,424,410,240/806,443,524.09
  6. Step 6: Final answer
    x = 433,339,444.10

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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.