Home / 723,984,406.94-1,085,986,700.68-206,414,848.10

Finding the Fourth Proportional to 723,984,406.94, 1,085,986,700.68 and 206,414,848.10

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Solution

The fourth proportional to 723,984,406.94, 1,085,986,700.68 and 206,414,848.10 is: 309,625,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,984,406.94 : 1,085,986,700.68 = 206,414,848.10 : x
  2. Step 2: Convert to fraction form
    723,984,406.94/1,085,986,700.68 = 206,414,848.10/x
  3. Step 3: Cross multiply
    723,984,406.94x = 1,085,986,700.68 × 206,414,848.10
  4. Step 4: Simplify right side
    723,984,406.94x = 224,163,779,861,681,280
  5. Step 5: Solve for x
    x = 224,163,779,861,681,280/723,984,406.94
  6. Step 6: Final answer
    x = 309,625,148.98

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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.