Home / 1,571,359,914.61-2,168,529,031.58-856,934,448.01

Finding the Fourth Proportional to 1,571,359,914.61, 2,168,529,031.58 and 856,934,448.01

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Solution

The fourth proportional to 1,571,359,914.61, 2,168,529,031.58 and 856,934,448.01 is: 1,182,598,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,359,914.61 : 2,168,529,031.58 = 856,934,448.01 : x
  2. Step 2: Convert to fraction form
    1,571,359,914.61/2,168,529,031.58 = 856,934,448.01/x
  3. Step 3: Cross multiply
    1,571,359,914.61x = 2,168,529,031.58 × 856,934,448.01
  4. Step 4: Simplify right side
    1,571,359,914.61x = 1,858,287,228,670,667,008
  5. Step 5: Solve for x
    x = 1,858,287,228,670,667,008/1,571,359,914.61
  6. Step 6: Final answer
    x = 1,182,598,086.79

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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.