Home / 522,638,373.51-721,258,655.94-284,492,245.05

Finding the Fourth Proportional to 522,638,373.51, 721,258,655.94 and 284,492,245.05

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Solution

The fourth proportional to 522,638,373.51, 721,258,655.94 and 284,492,245.05 is: 392,608,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,638,373.51 : 721,258,655.94 = 284,492,245.05 : x
  2. Step 2: Convert to fraction form
    522,638,373.51/721,258,655.94 = 284,492,245.05/x
  3. Step 3: Cross multiply
    522,638,373.51x = 721,258,655.94 × 284,492,245.05
  4. Step 4: Simplify right side
    522,638,373.51x = 205,192,494,290,116,128
  5. Step 5: Solve for x
    x = 205,192,494,290,116,128/522,638,373.51
  6. Step 6: Final answer
    x = 392,608,933.23

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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.