Home / 278,360,261,473.40-417,540,392,210.10-278,360,261,473.40

Finding the Fourth Proportional to 278,360,261,473.40, 417,540,392,210.10 and 278,360,261,473.40

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Solution

The fourth proportional to 278,360,261,473.40, 417,540,392,210.10 and 278,360,261,473.40 is: 417,540,392,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,360,261,473.40 : 417,540,392,210.10 = 278,360,261,473.40 : x
  2. Step 2: Convert to fraction form
    278,360,261,473.40/417,540,392,210.10 = 278,360,261,473.40/x
  3. Step 3: Cross multiply
    278,360,261,473.40x = 417,540,392,210.10 × 278,360,261,473.40
  4. Step 4: Simplify right side
    278,360,261,473.40x = 116,226,652,751,309,429,538,816
  5. Step 5: Solve for x
    x = 116,226,652,751,309,429,538,816/278,360,261,473.40
  6. Step 6: Final answer
    x = 417,540,392,210.10

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1.5x scale

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.