Home / 20,798,415,099.51-28,699,391,454.24-11,643,445,250.41

Finding the Fourth Proportional to 20,798,415,099.51, 28,699,391,454.24 and 11,643,445,250.41

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Solution

The fourth proportional to 20,798,415,099.51, 28,699,391,454.24 and 11,643,445,250.41 is: 16,066,598,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,415,099.51 : 28,699,391,454.24 = 11,643,445,250.41 : x
  2. Step 2: Convert to fraction form
    20,798,415,099.51/28,699,391,454.24 = 11,643,445,250.41/x
  3. Step 3: Cross multiply
    20,798,415,099.51x = 28,699,391,454.24 × 11,643,445,250.41
  4. Step 4: Simplify right side
    20,798,415,099.51x = 334,159,793,117,534,289,920
  5. Step 5: Solve for x
    x = 334,159,793,117,534,289,920/20,798,415,099.51
  6. Step 6: Final answer
    x = 16,066,598,897.98

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1.5x scale

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.