Home / 79,189,011,044.70-109,281,403,734.39-43,059,784,574.94

Finding the Fourth Proportional to 79,189,011,044.70, 109,281,403,734.39 and 43,059,784,574.94

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Solution

The fourth proportional to 79,189,011,044.70, 109,281,403,734.39 and 43,059,784,574.94 is: 59,422,811,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189,011,044.70 : 109,281,403,734.39 = 43,059,784,574.94 : x
  2. Step 2: Convert to fraction form
    79,189,011,044.70/109,281,403,734.39 = 43,059,784,574.94/x
  3. Step 3: Cross multiply
    79,189,011,044.70x = 109,281,403,734.39 × 43,059,784,574.94
  4. Step 4: Simplify right side
    79,189,011,044.70x = 4,705,633,702,849,877,114,880
  5. Step 5: Solve for x
    x = 4,705,633,702,849,877,114,880/79,189,011,044.70
  6. Step 6: Final answer
    x = 59,422,811,836.78

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1.5x scale

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.