Home / 98,415,939,821.60-147,609,577,009.20-28,615,577,837.60

Finding the Fourth Proportional to 98,415,939,821.60, 147,609,577,009.20 and 28,615,577,837.60

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Solution

The fourth proportional to 98,415,939,821.60, 147,609,577,009.20 and 28,615,577,837.60 is: 42,919,199,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,939,821.60 : 147,609,577,009.20 = 28,615,577,837.60 : x
  2. Step 2: Convert to fraction form
    98,415,939,821.60/147,609,577,009.20 = 28,615,577,837.60/x
  3. Step 3: Cross multiply
    98,415,939,821.60x = 147,609,577,009.20 × 28,615,577,837.60
  4. Step 4: Simplify right side
    98,415,939,821.60x = 4,223,933,340,481,973,911,552
  5. Step 5: Solve for x
    x = 4,223,933,340,481,973,911,552/98,415,939,821.60
  6. Step 6: Final answer
    x = 42,919,199,350.62

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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.