Home / 343,722,931,697.02-474,316,273,311.76-189,389,974,579.88

Finding the Fourth Proportional to 343,722,931,697.02, 474,316,273,311.76 and 189,389,974,579.88

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Solution

The fourth proportional to 343,722,931,697.02, 474,316,273,311.76 and 189,389,974,579.88 is: 261,346,388,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,722,931,697.02 : 474,316,273,311.76 = 189,389,974,579.88 : x
  2. Step 2: Convert to fraction form
    343,722,931,697.02/474,316,273,311.76 = 189,389,974,579.88/x
  3. Step 3: Cross multiply
    343,722,931,697.02x = 474,316,273,311.76 × 189,389,974,579.88
  4. Step 4: Simplify right side
    343,722,931,697.02x = 89,830,746,945,337,648,218,112
  5. Step 5: Solve for x
    x = 89,830,746,945,337,648,218,112/343,722,931,697.02
  6. Step 6: Final answer
    x = 261,346,388,795.85

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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.