Home / 319,094,193.24-478,690,778-134,862,445

Finding the Fourth Proportional to 319,094,193.24, 478,690,778 and 134,862,445

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Solution

The fourth proportional to 319,094,193.24, 478,690,778 and 134,862,445 is: 202,314,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094,193.24 : 478,690,778 = 134,862,445 : x
  2. Step 2: Convert to fraction form
    319,094,193.24/478,690,778 = 134,862,445/x
  3. Step 3: Cross multiply
    319,094,193.24x = 478,690,778 × 134,862,445
  4. Step 4: Simplify right side
    319,094,193.24x = 64,557,408,720,032,208
  5. Step 5: Solve for x
    x = 64,557,408,720,032,208/319,094,193.24
  6. Step 6: Final answer
    x = 202,314,583.24

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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.