Home / 935,071,201.80-1,401,681,701.70-442,919,438.10

Finding the Fourth Proportional to 935,071,201.80, 1,401,681,701.70 and 442,919,438.10

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Solution

The fourth proportional to 935,071,201.80, 1,401,681,701.70 and 442,919,438.10 is: 663,940,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,071,201.80 : 1,401,681,701.70 = 442,919,438.10 : x
  2. Step 2: Convert to fraction form
    935,071,201.80/1,401,681,701.70 = 442,919,438.10/x
  3. Step 3: Cross multiply
    935,071,201.80x = 1,401,681,701.70 × 442,919,438.10
  4. Step 4: Simplify right side
    935,071,201.80x = 620,832,071,712,015,872
  5. Step 5: Solve for x
    x = 620,832,071,712,015,872/935,071,201.80
  6. Step 6: Final answer
    x = 663,940,960.34

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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.