Home / 382,575,490.86-528,117,082.41-257,200,399.74

Finding the Fourth Proportional to 382,575,490.86, 528,117,082.41 and 257,200,399.74

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Solution

The fourth proportional to 382,575,490.86, 528,117,082.41 and 257,200,399.74 is: 355,046,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,575,490.86 : 528,117,082.41 = 257,200,399.74 : x
  2. Step 2: Convert to fraction form
    382,575,490.86/528,117,082.41 = 257,200,399.74/x
  3. Step 3: Cross multiply
    382,575,490.86x = 528,117,082.41 × 257,200,399.74
  4. Step 4: Simplify right side
    382,575,490.86x = 135,831,924,705,374,528
  5. Step 5: Solve for x
    x = 135,831,924,705,374,528/382,575,490.86
  6. Step 6: Final answer
    x = 355,046,070.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.