Home / 1,133,786,663.70-1,700,680,019.55-272,143,655.70

Finding the Fourth Proportional to 1,133,786,663.70, 1,700,680,019.55 and 272,143,655.70

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Solution

The fourth proportional to 1,133,786,663.70, 1,700,680,019.55 and 272,143,655.70 is: 408,215,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,786,663.70 : 1,700,680,019.55 = 272,143,655.70 : x
  2. Step 2: Convert to fraction form
    1,133,786,663.70/1,700,680,019.55 = 272,143,655.70/x
  3. Step 3: Cross multiply
    1,133,786,663.70x = 1,700,680,019.55 × 272,143,655.70
  4. Step 4: Simplify right side
    1,133,786,663.70x = 462,829,277,696,284,416
  5. Step 5: Solve for x
    x = 462,829,277,696,284,416/1,133,786,663.70
  6. Step 6: Final answer
    x = 408,215,489.31

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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.