Home / 39,637,880,428.82-54,701,436,555.48-21,574,566,598.17

Finding the Fourth Proportional to 39,637,880,428.82, 54,701,436,555.48 and 21,574,566,598.17

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Solution

The fourth proportional to 39,637,880,428.82, 54,701,436,555.48 and 21,574,566,598.17 is: 29,773,534,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637,880,428.82 : 54,701,436,555.48 = 21,574,566,598.17 : x
  2. Step 2: Convert to fraction form
    39,637,880,428.82/54,701,436,555.48 = 21,574,566,598.17/x
  3. Step 3: Cross multiply
    39,637,880,428.82x = 54,701,436,555.48 × 21,574,566,598.17
  4. Step 4: Simplify right side
    39,637,880,428.82x = 1,180,159,785,981,666,263,040
  5. Step 5: Solve for x
    x = 1,180,159,785,981,666,263,040/39,637,880,428.82
  6. Step 6: Final answer
    x = 29,773,534,134.88

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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.