Home / 68,518,643,411.72-94,556,000,004.54-38,443,164,278.60

Finding the Fourth Proportional to 68,518,643,411.72, 94,556,000,004.54 and 38,443,164,278.60

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Solution

The fourth proportional to 68,518,643,411.72, 94,556,000,004.54 and 38,443,164,278.60 is: 53,051,719,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518,643,411.72 : 94,556,000,004.54 = 38,443,164,278.60 : x
  2. Step 2: Convert to fraction form
    68,518,643,411.72/94,556,000,004.54 = 38,443,164,278.60/x
  3. Step 3: Cross multiply
    68,518,643,411.72x = 94,556,000,004.54 × 38,443,164,278.60
  4. Step 4: Simplify right side
    68,518,643,411.72x = 3,635,031,841,701,832,949,760
  5. Step 5: Solve for x
    x = 3,635,031,841,701,832,949,760/68,518,643,411.72
  6. Step 6: Final answer
    x = 53,051,719,367.23

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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.