Home / 423,056,376.90-634,613,718.06-177,165,435.06

Finding the Fourth Proportional to 423,056,376.90, 634,613,718.06 and 177,165,435.06

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Solution

The fourth proportional to 423,056,376.90, 634,613,718.06 and 177,165,435.06 is: 265,760,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,056,376.90 : 634,613,718.06 = 177,165,435.06 : x
  2. Step 2: Convert to fraction form
    423,056,376.90/634,613,718.06 = 177,165,435.06/x
  3. Step 3: Cross multiply
    423,056,376.90x = 634,613,718.06 × 177,165,435.06
  4. Step 4: Simplify right side
    423,056,376.90x = 112,431,615,455,144,064
  5. Step 5: Solve for x
    x = 112,431,615,455,144,064/423,056,376.90
  6. Step 6: Final answer
    x = 265,760,361.02

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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.