Home / 19,147,248,579.16-28,698,022,742.01-8,911,605,393.91

Finding the Fourth Proportional to 19,147,248,579.16, 28,698,022,742.01 and 8,911,605,393.91

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Solution

The fourth proportional to 19,147,248,579.16, 28,698,022,742.01 and 8,911,605,393.91 is: 13,356,773,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147,248,579.16 : 28,698,022,742.01 = 8,911,605,393.91 : x
  2. Step 2: Convert to fraction form
    19,147,248,579.16/28,698,022,742.01 = 8,911,605,393.91/x
  3. Step 3: Cross multiply
    19,147,248,579.16x = 28,698,022,742.01 × 8,911,605,393.91
  4. Step 4: Simplify right side
    19,147,248,579.16x = 255,745,454,262,248,144,896
  5. Step 5: Solve for x
    x = 255,745,454,262,248,144,896/19,147,248,579.16
  6. Step 6: Final answer
    x = 13,356,773,073.94

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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.