Home / 804,946,861,359.20-1,110,830,271,750.40-439,139,956,151.30

Finding the Fourth Proportional to 804,946,861,359.20, 1,110,830,271,750.40 and 439,139,956,151.30

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Solution

The fourth proportional to 804,946,861,359.20, 1,110,830,271,750.40 and 439,139,956,151.30 is: 606,015,105,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,946,861,359.20 : 1,110,830,271,750.40 = 439,139,956,151.30 : x
  2. Step 2: Convert to fraction form
    804,946,861,359.20/1,110,830,271,750.40 = 439,139,956,151.30/x
  3. Step 3: Cross multiply
    804,946,861,359.20x = 1,110,830,271,750.40 × 439,139,956,151.30
  4. Step 4: Simplify right side
    804,946,861,359.20x = 487,809,956,828,007,238,729,728
  5. Step 5: Solve for x
    x = 487,809,956,828,007,238,729,728/804,946,861,359.20
  6. Step 6: Final answer
    x = 606,015,105,151.55

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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.