Home / 489,732,981.48-675,862,055.46-269,716,349.16

Finding the Fourth Proportional to 489,732,981.48, 675,862,055.46 and 269,716,349.16

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Solution

The fourth proportional to 489,732,981.48, 675,862,055.46 and 269,716,349.16 is: 372,225,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,732,981.48 : 675,862,055.46 = 269,716,349.16 : x
  2. Step 2: Convert to fraction form
    489,732,981.48/675,862,055.46 = 269,716,349.16/x
  3. Step 3: Cross multiply
    489,732,981.48x = 675,862,055.46 × 269,716,349.16
  4. Step 4: Simplify right side
    489,732,981.48x = 182,291,046,134,444,672
  5. Step 5: Solve for x
    x = 182,291,046,134,444,672/489,732,981.48
  6. Step 6: Final answer
    x = 372,225,382.05

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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.