Home / 51,113,329,169.76-70,540,044,290.32-28,249,975,029.60

Finding the Fourth Proportional to 51,113,329,169.76, 70,540,044,290.32 and 28,249,975,029.60

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Solution

The fourth proportional to 51,113,329,169.76, 70,540,044,290.32 and 28,249,975,029.60 is: 38,986,982,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113,329,169.76 : 70,540,044,290.32 = 28,249,975,029.60 : x
  2. Step 2: Convert to fraction form
    51,113,329,169.76/70,540,044,290.32 = 28,249,975,029.60/x
  3. Step 3: Cross multiply
    51,113,329,169.76x = 70,540,044,290.32 × 28,249,975,029.60
  4. Step 4: Simplify right side
    51,113,329,169.76x = 1,992,754,489,788,418,228,224
  5. Step 5: Solve for x
    x = 1,992,754,489,788,418,228,224/51,113,329,169.76
  6. Step 6: Final answer
    x = 38,986,982,889.92

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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.