Home / 935,071,044.30-1,401,681,465.45-442,919,280.60

Finding the Fourth Proportional to 935,071,044.30, 1,401,681,465.45 and 442,919,280.60

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Solution

The fourth proportional to 935,071,044.30, 1,401,681,465.45 and 442,919,280.60 is: 663,940,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,071,044.30 : 1,401,681,465.45 = 442,919,280.60 : x
  2. Step 2: Convert to fraction form
    935,071,044.30/1,401,681,465.45 = 442,919,280.60/x
  3. Step 3: Cross multiply
    935,071,044.30x = 1,401,681,465.45 × 442,919,280.60
  4. Step 4: Simplify right side
    935,071,044.30x = 620,831,746,307,467,776
  5. Step 5: Solve for x
    x = 620,831,746,307,467,776/935,071,044.30
  6. Step 6: Final answer
    x = 663,940,724.17

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1.5x scale

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.