Home / 10,223,548,860.80-15,335,323,291.20-9,121,552,803.20

Finding the Fourth Proportional to 10,223,548,860.80, 15,335,323,291.20 and 9,121,552,803.20

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Solution

The fourth proportional to 10,223,548,860.80, 15,335,323,291.20 and 9,121,552,803.20 is: 13,682,329,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223,548,860.80 : 15,335,323,291.20 = 9,121,552,803.20 : x
  2. Step 2: Convert to fraction form
    10,223,548,860.80/15,335,323,291.20 = 9,121,552,803.20/x
  3. Step 3: Cross multiply
    10,223,548,860.80x = 15,335,323,291.20 × 9,121,552,803.20
  4. Step 4: Simplify right side
    10,223,548,860.80x = 139,881,961,154,823,634,944
  5. Step 5: Solve for x
    x = 139,881,961,154,823,634,944/10,223,548,860.80
  6. Step 6: Final answer
    x = 13,682,329,204.80

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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.