Home / 15,306,758,534.67-21,123,326,602.35-8,266,228,166.67

Finding the Fourth Proportional to 15,306,758,534.67, 21,123,326,602.35 and 8,266,228,166.67

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Solution

The fourth proportional to 15,306,758,534.67, 21,123,326,602.35 and 8,266,228,166.67 is: 11,407,394,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,758,534.67 : 21,123,326,602.35 = 8,266,228,166.67 : x
  2. Step 2: Convert to fraction form
    15,306,758,534.67/21,123,326,602.35 = 8,266,228,166.67/x
  3. Step 3: Cross multiply
    15,306,758,534.67x = 21,123,326,602.35 × 8,266,228,166.67
  4. Step 4: Simplify right side
    15,306,758,534.67x = 174,610,237,334,115,254,272
  5. Step 5: Solve for x
    x = 174,610,237,334,115,254,272/15,306,758,534.67
  6. Step 6: Final answer
    x = 11,407,394,775.23

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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.