Home / 18,849,390,459.70-26,012,237,403.09-10,391,028,419.38

Finding the Fourth Proportional to 18,849,390,459.70, 26,012,237,403.09 and 10,391,028,419.38

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Solution

The fourth proportional to 18,849,390,459.70, 26,012,237,403.09 and 10,391,028,419.38 is: 14,339,662,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849,390,459.70 : 26,012,237,403.09 = 10,391,028,419.38 : x
  2. Step 2: Convert to fraction form
    18,849,390,459.70/26,012,237,403.09 = 10,391,028,419.38/x
  3. Step 3: Cross multiply
    18,849,390,459.70x = 26,012,237,403.09 × 10,391,028,419.38
  4. Step 4: Simplify right side
    18,849,390,459.70x = 270,293,898,107,167,571,968
  5. Step 5: Solve for x
    x = 270,293,898,107,167,571,968/18,849,390,459.70
  6. Step 6: Final answer
    x = 14,339,662,531.00

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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.