Home / 19,147,248,578.16-28,698,022,740.51-8,911,605,392.91

Finding the Fourth Proportional to 19,147,248,578.16, 28,698,022,740.51 and 8,911,605,392.91

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Solution

The fourth proportional to 19,147,248,578.16, 28,698,022,740.51 and 8,911,605,392.91 is: 13,356,773,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147,248,578.16 : 28,698,022,740.51 = 8,911,605,392.91 : x
  2. Step 2: Convert to fraction form
    19,147,248,578.16/28,698,022,740.51 = 8,911,605,392.91/x
  3. Step 3: Cross multiply
    19,147,248,578.16x = 28,698,022,740.51 × 8,911,605,392.91
  4. Step 4: Simplify right side
    19,147,248,578.16x = 255,745,454,220,182,716,416
  5. Step 5: Solve for x
    x = 255,745,454,220,182,716,416/19,147,248,578.16
  6. Step 6: Final answer
    x = 13,356,773,072.45

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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.