Home / 377,426,017.96-520,864,663.62-212,424,274.60

Finding the Fourth Proportional to 377,426,017.96, 520,864,663.62 and 212,424,274.60

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Solution

The fourth proportional to 377,426,017.96, 520,864,663.62 and 212,424,274.60 is: 293,154,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,426,017.96 : 520,864,663.62 = 212,424,274.60 : x
  2. Step 2: Convert to fraction form
    377,426,017.96/520,864,663.62 = 212,424,274.60/x
  3. Step 3: Cross multiply
    377,426,017.96x = 520,864,663.62 × 212,424,274.60
  4. Step 4: Simplify right side
    377,426,017.96x = 110,644,298,334,251,504
  5. Step 5: Solve for x
    x = 110,644,298,334,251,504/377,426,017.96
  6. Step 6: Final answer
    x = 293,154,931.22

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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.