Home / 776,909,808,009.32-1,072,465,654,924.80-484,079,409,875.73

Finding the Fourth Proportional to 776,909,808,009.32, 1,072,465,654,924.80 and 484,079,409,875.73

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Solution

The fourth proportional to 776,909,808,009.32, 1,072,465,654,924.80 and 484,079,409,875.73 is: 668,235,277,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,909,808,009.32 : 1,072,465,654,924.80 = 484,079,409,875.73 : x
  2. Step 2: Convert to fraction form
    776,909,808,009.32/1,072,465,654,924.80 = 484,079,409,875.73/x
  3. Step 3: Cross multiply
    776,909,808,009.32x = 1,072,465,654,924.80 × 484,079,409,875.73
  4. Step 4: Simplify right side
    776,909,808,009.32x = 519,158,541,347,985,471,569,920
  5. Step 5: Solve for x
    x = 519,158,541,347,985,471,569,920/776,909,808,009.32
  6. Step 6: Final answer
    x = 668,235,277,757.95

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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.