Home / 39,637,880,429.82-54,701,436,556.86-21,574,566,599.17

Finding the Fourth Proportional to 39,637,880,429.82, 54,701,436,556.86 and 21,574,566,599.17

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Solution

The fourth proportional to 39,637,880,429.82, 54,701,436,556.86 and 21,574,566,599.17 is: 29,773,534,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637,880,429.82 : 54,701,436,556.86 = 21,574,566,599.17 : x
  2. Step 2: Convert to fraction form
    39,637,880,429.82/54,701,436,556.86 = 21,574,566,599.17/x
  3. Step 3: Cross multiply
    39,637,880,429.82x = 54,701,436,556.86 × 21,574,566,599.17
  4. Step 4: Simplify right side
    39,637,880,429.82x = 1,180,159,786,066,248,466,432
  5. Step 5: Solve for x
    x = 1,180,159,786,066,248,466,432/39,637,880,429.82
  6. Step 6: Final answer
    x = 29,773,534,136.26

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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.