Home / 438,544,216,867.60-657,352,051,056.45-147,511,759,438.42

Finding the Fourth Proportional to 438,544,216,867.60, 657,352,051,056.45 and 147,511,759,438.42

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Solution

The fourth proportional to 438,544,216,867.60, 657,352,051,056.45 and 147,511,759,438.42 is: 221,111,472,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,544,216,867.60 : 657,352,051,056.45 = 147,511,759,438.42 : x
  2. Step 2: Convert to fraction form
    438,544,216,867.60/657,352,051,056.45 = 147,511,759,438.42/x
  3. Step 3: Cross multiply
    438,544,216,867.60x = 657,352,051,056.45 × 147,511,759,438.42
  4. Step 4: Simplify right side
    438,544,216,867.60x = 96,967,157,621,791,031,033,856
  5. Step 5: Solve for x
    x = 96,967,157,621,791,031,033,856/438,544,216,867.60
  6. Step 6: Final answer
    x = 221,111,472,668.37

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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.