Home / 608,506,875,666.39-912,789,669,486.45-200,084,206,827.78

Finding the Fourth Proportional to 608,506,875,666.39, 912,789,669,486.45 and 200,084,206,827.78

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Solution

The fourth proportional to 608,506,875,666.39, 912,789,669,486.45 and 200,084,206,827.78 is: 300,135,962,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,506,875,666.39 : 912,789,669,486.45 = 200,084,206,827.78 : x
  2. Step 2: Convert to fraction form
    608,506,875,666.39/912,789,669,486.45 = 200,084,206,827.78/x
  3. Step 3: Cross multiply
    608,506,875,666.39x = 912,789,669,486.45 × 200,084,206,827.78
  4. Step 4: Simplify right side
    608,506,875,666.39x = 182,634,797,019,787,796,938,752
  5. Step 5: Solve for x
    x = 182,634,797,019,787,796,938,752/608,506,875,666.39
  6. Step 6: Final answer
    x = 300,135,962,834.90

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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.