Home / 800,706,653.55-1,201,241,088.56-432,233,697.38

Finding the Fourth Proportional to 800,706,653.55, 1,201,241,088.56 and 432,233,697.38

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Solution

The fourth proportional to 800,706,653.55, 1,201,241,088.56 and 432,233,697.38 is: 648,448,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,706,653.55 : 1,201,241,088.56 = 432,233,697.38 : x
  2. Step 2: Convert to fraction form
    800,706,653.55/1,201,241,088.56 = 432,233,697.38/x
  3. Step 3: Cross multiply
    800,706,653.55x = 1,201,241,088.56 × 432,233,697.38
  4. Step 4: Simplify right side
    800,706,653.55x = 519,216,877,148,139,200
  5. Step 5: Solve for x
    x = 519,216,877,148,139,200/800,706,653.55
  6. Step 6: Final answer
    x = 648,448,311.06

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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.