Home / 42,550,272,972.80-63,825,409,459.20-25,789,048,985.60

Finding the Fourth Proportional to 42,550,272,972.80, 63,825,409,459.20 and 25,789,048,985.60

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Solution

The fourth proportional to 42,550,272,972.80, 63,825,409,459.20 and 25,789,048,985.60 is: 38,683,573,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550,272,972.80 : 63,825,409,459.20 = 25,789,048,985.60 : x
  2. Step 2: Convert to fraction form
    42,550,272,972.80/63,825,409,459.20 = 25,789,048,985.60/x
  3. Step 3: Cross multiply
    42,550,272,972.80x = 63,825,409,459.20 × 25,789,048,985.60
  4. Step 4: Simplify right side
    42,550,272,972.80x = 1,645,996,611,069,286,285,312
  5. Step 5: Solve for x
    x = 1,645,996,611,069,286,285,312/42,550,272,972.80
  6. Step 6: Final answer
    x = 38,683,573,478.40

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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.