Home / 749,241,855.32-1,033,931,313.90-414,728,089.34

Finding the Fourth Proportional to 749,241,855.32, 1,033,931,313.90 and 414,728,089.34

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Solution

The fourth proportional to 749,241,855.32, 1,033,931,313.90 and 414,728,089.34 is: 572,312,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,241,855.32 : 1,033,931,313.90 = 414,728,089.34 : x
  2. Step 2: Convert to fraction form
    749,241,855.32/1,033,931,313.90 = 414,728,089.34/x
  3. Step 3: Cross multiply
    749,241,855.32x = 1,033,931,313.90 × 414,728,089.34
  4. Step 4: Simplify right side
    749,241,855.32x = 428,800,358,317,373,120
  5. Step 5: Solve for x
    x = 428,800,358,317,373,120/749,241,855.32
  6. Step 6: Final answer
    x = 572,312,338.50

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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.