Home / 28,552,368,790.76-39,403,213,880.08-15,692,464,575.79

Finding the Fourth Proportional to 28,552,368,790.76, 39,403,213,880.08 and 15,692,464,575.79

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Solution

The fourth proportional to 28,552,368,790.76, 39,403,213,880.08 and 15,692,464,575.79 is: 21,656,120,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552,368,790.76 : 39,403,213,880.08 = 15,692,464,575.79 : x
  2. Step 2: Convert to fraction form
    28,552,368,790.76/39,403,213,880.08 = 15,692,464,575.79/x
  3. Step 3: Cross multiply
    28,552,368,790.76x = 39,403,213,880.08 × 15,692,464,575.79
  4. Step 4: Simplify right side
    28,552,368,790.76x = 618,333,537,985,235,255,296
  5. Step 5: Solve for x
    x = 618,333,537,985,235,255,296/28,552,368,790.76
  6. Step 6: Final answer
    x = 21,656,120,461.20

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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.