Home / 1,016,784,025.49-1,525,764,463.79-426,521,402.87

Finding the Fourth Proportional to 1,016,784,025.49, 1,525,764,463.79 and 426,521,402.87

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Solution

The fourth proportional to 1,016,784,025.49, 1,525,764,463.79 and 426,521,402.87 is: 640,028,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,784,025.49 : 1,525,764,463.79 = 426,521,402.87 : x
  2. Step 2: Convert to fraction form
    1,016,784,025.49/1,525,764,463.79 = 426,521,402.87/x
  3. Step 3: Cross multiply
    1,016,784,025.49x = 1,525,764,463.79 × 426,521,402.87
  4. Step 4: Simplify right side
    1,016,784,025.49x = 650,771,199,535,142,784
  5. Step 5: Solve for x
    x = 650,771,199,535,142,784/1,016,784,025.49
  6. Step 6: Final answer
    x = 640,028,937.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.