Home / 12,776,187,605.76-19,147,150,987.56-9,943,402,430.88

Finding the Fourth Proportional to 12,776,187,605.76, 19,147,150,987.56 and 9,943,402,430.88

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Solution

The fourth proportional to 12,776,187,605.76, 19,147,150,987.56 and 9,943,402,430.88 is: 14,901,771,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,187,605.76 : 19,147,150,987.56 = 9,943,402,430.88 : x
  2. Step 2: Convert to fraction form
    12,776,187,605.76/19,147,150,987.56 = 9,943,402,430.88/x
  3. Step 3: Cross multiply
    12,776,187,605.76x = 19,147,150,987.56 × 9,943,402,430.88
  4. Step 4: Simplify right side
    12,776,187,605.76x = 190,387,827,674,130,481,152
  5. Step 5: Solve for x
    x = 190,387,827,674,130,481,152/12,776,187,605.76
  6. Step 6: Final answer
    x = 14,901,771,447.71

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1.5x scale

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.