Home / 1,011,184,765.79-1,516,777,148.68-284,173,477.79

Finding the Fourth Proportional to 1,011,184,765.79, 1,516,777,148.68 and 284,173,477.79

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Solution

The fourth proportional to 1,011,184,765.79, 1,516,777,148.68 and 284,173,477.79 is: 426,260,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,184,765.79 : 1,516,777,148.68 = 284,173,477.79 : x
  2. Step 2: Convert to fraction form
    1,011,184,765.79/1,516,777,148.68 = 284,173,477.79/x
  3. Step 3: Cross multiply
    1,011,184,765.79x = 1,516,777,148.68 × 284,173,477.79
  4. Step 4: Simplify right side
    1,011,184,765.79x = 431,027,837,371,950,976
  5. Step 5: Solve for x
    x = 431,027,837,371,950,976/1,011,184,765.79
  6. Step 6: Final answer
    x = 426,260,216.68

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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.