Home / 1,390,558,179.46-2,085,513,677.94-517,570,677.58

Finding the Fourth Proportional to 1,390,558,179.46, 2,085,513,677.94 and 517,570,677.58

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Solution

The fourth proportional to 1,390,558,179.46, 2,085,513,677.94 and 517,570,677.58 is: 776,235,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,558,179.46 : 2,085,513,677.94 = 517,570,677.58 : x
  2. Step 2: Convert to fraction form
    1,390,558,179.46/2,085,513,677.94 = 517,570,677.58/x
  3. Step 3: Cross multiply
    1,390,558,179.46x = 2,085,513,677.94 × 517,570,677.58
  4. Step 4: Simplify right side
    1,390,558,179.46x = 1,079,400,727,393,763,712
  5. Step 5: Solve for x
    x = 1,079,400,727,393,763,712/1,390,558,179.46
  6. Step 6: Final answer
    x = 776,235,574.56

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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.