Home / 934,458,052.90-1,401,687,079.35-389,128,728.10

Finding the Fourth Proportional to 934,458,052.90, 1,401,687,079.35 and 389,128,728.10

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Solution

The fourth proportional to 934,458,052.90, 1,401,687,079.35 and 389,128,728.10 is: 583,693,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,458,052.90 : 1,401,687,079.35 = 389,128,728.10 : x
  2. Step 2: Convert to fraction form
    934,458,052.90/1,401,687,079.35 = 389,128,728.10/x
  3. Step 3: Cross multiply
    934,458,052.90x = 1,401,687,079.35 × 389,128,728.10
  4. Step 4: Simplify right side
    934,458,052.90x = 545,436,710,381,669,248
  5. Step 5: Solve for x
    x = 545,436,710,381,669,248/934,458,052.90
  6. Step 6: Final answer
    x = 583,693,092.15

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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.