Home / 7,281,017,871.84-10,047,733,130.16-3,939,442,835.04

Finding the Fourth Proportional to 7,281,017,871.84, 10,047,733,130.16 and 3,939,442,835.04

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Solution

The fourth proportional to 7,281,017,871.84, 10,047,733,130.16 and 3,939,442,835.04 is: 5,436,392,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,017,871.84 : 10,047,733,130.16 = 3,939,442,835.04 : x
  2. Step 2: Convert to fraction form
    7,281,017,871.84/10,047,733,130.16 = 3,939,442,835.04/x
  3. Step 3: Cross multiply
    7,281,017,871.84x = 10,047,733,130.16 × 3,939,442,835.04
  4. Step 4: Simplify right side
    7,281,017,871.84x = 39,582,470,288,002,842,624
  5. Step 5: Solve for x
    x = 39,582,470,288,002,842,624/7,281,017,871.84
  6. Step 6: Final answer
    x = 5,436,392,408.96

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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.