Home / 352,289,218,487.39-528,217,564,477.55-136,906,274,435.01

Finding the Fourth Proportional to 352,289,218,487.39, 528,217,564,477.55 and 136,906,274,435.01

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Solution

The fourth proportional to 352,289,218,487.39, 528,217,564,477.55 and 136,906,274,435.01 is: 205,275,367,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,289,218,487.39 : 528,217,564,477.55 = 136,906,274,435.01 : x
  2. Step 2: Convert to fraction form
    352,289,218,487.39/528,217,564,477.55 = 136,906,274,435.01/x
  3. Step 3: Cross multiply
    352,289,218,487.39x = 528,217,564,477.55 × 136,906,274,435.01
  4. Step 4: Simplify right side
    352,289,218,487.39x = 72,316,298,843,756,047,630,336
  5. Step 5: Solve for x
    x = 72,316,298,843,756,047,630,336/352,289,218,487.39
  6. Step 6: Final answer
    x = 205,275,367,648.94

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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.