Home / 28,817,789,566.96-39,766,378,276.29-17,538,974,708.68

Finding the Fourth Proportional to 28,817,789,566.96, 39,766,378,276.29 and 17,538,974,708.68

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Solution

The fourth proportional to 28,817,789,566.96, 39,766,378,276.29 and 17,538,974,708.68 is: 24,202,463,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,789,566.96 : 39,766,378,276.29 = 17,538,974,708.68 : x
  2. Step 2: Convert to fraction form
    28,817,789,566.96/39,766,378,276.29 = 17,538,974,708.68/x
  3. Step 3: Cross multiply
    28,817,789,566.96x = 39,766,378,276.29 × 17,538,974,708.68
  4. Step 4: Simplify right side
    28,817,789,566.96x = 697,461,502,843,652,145,152
  5. Step 5: Solve for x
    x = 697,461,502,843,652,145,152/28,817,789,566.96
  6. Step 6: Final answer
    x = 24,202,463,593.64

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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.