Home / 25,552,369,851.90-38,294,293,988.99-19,886,799,519.15

Finding the Fourth Proportional to 25,552,369,851.90, 38,294,293,988.99 and 19,886,799,519.15

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Solution

The fourth proportional to 25,552,369,851.90, 38,294,293,988.99 and 19,886,799,519.15 is: 29,803,534,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552,369,851.90 : 38,294,293,988.99 = 19,886,799,519.15 : x
  2. Step 2: Convert to fraction form
    25,552,369,851.90/38,294,293,988.99 = 19,886,799,519.15/x
  3. Step 3: Cross multiply
    25,552,369,851.90x = 38,294,293,988.99 × 19,886,799,519.15
  4. Step 4: Simplify right side
    25,552,369,851.90x = 761,550,947,286,301,671,424
  5. Step 5: Solve for x
    x = 761,550,947,286,301,671,424/25,552,369,851.90
  6. Step 6: Final answer
    x = 29,803,534,924.56

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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.