Home / 724,266,522.70-1,086,399,784.05-264,219,700.30

Finding the Fourth Proportional to 724,266,522.70, 1,086,399,784.05 and 264,219,700.30

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Solution

The fourth proportional to 724,266,522.70, 1,086,399,784.05 and 264,219,700.30 is: 396,329,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,266,522.70 : 1,086,399,784.05 = 264,219,700.30 : x
  2. Step 2: Convert to fraction form
    724,266,522.70/1,086,399,784.05 = 264,219,700.30/x
  3. Step 3: Cross multiply
    724,266,522.70x = 1,086,399,784.05 × 264,219,700.30
  4. Step 4: Simplify right side
    724,266,522.70x = 287,048,225,347,675,712
  5. Step 5: Solve for x
    x = 287,048,225,347,675,712/724,266,522.70
  6. Step 6: Final answer
    x = 396,329,550.45

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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.