Home / 1,778,292,323.80-2,454,046,291.08-974,392,076.32

Finding the Fourth Proportional to 1,778,292,323.80, 2,454,046,291.08 and 974,392,076.32

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Solution

The fourth proportional to 1,778,292,323.80, 2,454,046,291.08 and 974,392,076.32 is: 1,344,662,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,292,323.80 : 2,454,046,291.08 = 974,392,076.32 : x
  2. Step 2: Convert to fraction form
    1,778,292,323.80/2,454,046,291.08 = 974,392,076.32/x
  3. Step 3: Cross multiply
    1,778,292,323.80x = 2,454,046,291.08 × 974,392,076.32
  4. Step 4: Simplify right side
    1,778,292,323.80x = 2,391,203,260,950,836,224
  5. Step 5: Solve for x
    x = 2,391,203,260,950,836,224/1,778,292,323.80
  6. Step 6: Final answer
    x = 1,344,662,645.70

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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.