Home / 1,068,611,931.27-1,603,119,260.12-404,824,767.39

Finding the Fourth Proportional to 1,068,611,931.27, 1,603,119,260.12 and 404,824,767.39

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Solution

The fourth proportional to 1,068,611,931.27, 1,603,119,260.12 and 404,824,767.39 is: 607,313,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,611,931.27 : 1,603,119,260.12 = 404,824,767.39 : x
  2. Step 2: Convert to fraction form
    1,068,611,931.27/1,603,119,260.12 = 404,824,767.39/x
  3. Step 3: Cross multiply
    1,068,611,931.27x = 1,603,119,260.12 × 404,824,767.39
  4. Step 4: Simplify right side
    1,068,611,931.27x = 648,982,381,574,483,712
  5. Step 5: Solve for x
    x = 648,982,381,574,483,712/1,068,611,931.27
  6. Step 6: Final answer
    x = 607,313,433.98

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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.