Home / 764,408,507.45-1,054,867,200.66-442,550,045.49

Finding the Fourth Proportional to 764,408,507.45, 1,054,867,200.66 and 442,550,045.49

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Solution

The fourth proportional to 764,408,507.45, 1,054,867,200.66 and 442,550,045.49 is: 610,709,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,408,507.45 : 1,054,867,200.66 = 442,550,045.49 : x
  2. Step 2: Convert to fraction form
    764,408,507.45/1,054,867,200.66 = 442,550,045.49/x
  3. Step 3: Cross multiply
    764,408,507.45x = 1,054,867,200.66 × 442,550,045.49
  4. Step 4: Simplify right side
    764,408,507.45x = 466,831,527,634,036,160
  5. Step 5: Solve for x
    x = 466,831,527,634,036,160/764,408,507.45
  6. Step 6: Final answer
    x = 610,709,487.25

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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.