Home / 776,909,808,008.55-1,072,465,654,923.70-484,079,409,874.97

Finding the Fourth Proportional to 776,909,808,008.55, 1,072,465,654,923.70 and 484,079,409,874.97

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Solution

The fourth proportional to 776,909,808,008.55, 1,072,465,654,923.70 and 484,079,409,874.97 is: 668,235,277,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,909,808,008.55 : 1,072,465,654,923.70 = 484,079,409,874.97 : x
  2. Step 2: Convert to fraction form
    776,909,808,008.55/1,072,465,654,923.70 = 484,079,409,874.97/x
  3. Step 3: Cross multiply
    776,909,808,008.55x = 1,072,465,654,923.70 × 484,079,409,874.97
  4. Step 4: Simplify right side
    776,909,808,008.55x = 519,158,541,346,637,858,471,936
  5. Step 5: Solve for x
    x = 519,158,541,346,637,858,471,936/776,909,808,008.55
  6. Step 6: Final answer
    x = 668,235,277,756.88

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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.