Home / 553,434,177.74-763,739,332.91-302,539,667.85

Finding the Fourth Proportional to 553,434,177.74, 763,739,332.91 and 302,539,667.85

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Solution

The fourth proportional to 553,434,177.74, 763,739,332.91 and 302,539,667.85 is: 417,504,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,434,177.74 : 763,739,332.91 = 302,539,667.85 : x
  2. Step 2: Convert to fraction form
    553,434,177.74/763,739,332.91 = 302,539,667.85/x
  3. Step 3: Cross multiply
    553,434,177.74x = 763,739,332.91 × 302,539,667.85
  4. Step 4: Simplify right side
    553,434,177.74x = 231,061,444,101,059,296
  5. Step 5: Solve for x
    x = 231,061,444,101,059,296/553,434,177.74
  6. Step 6: Final answer
    x = 417,504,833.27

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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.