Home / 1,212,802,670.34-1,673,672,727.60-655,885,717.20

Finding the Fourth Proportional to 1,212,802,670.34, 1,673,672,727.60 and 655,885,717.20

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Solution

The fourth proportional to 1,212,802,670.34, 1,673,672,727.60 and 655,885,717.20 is: 905,125,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,802,670.34 : 1,673,672,727.60 = 655,885,717.20 : x
  2. Step 2: Convert to fraction form
    1,212,802,670.34/1,673,672,727.60 = 655,885,717.20/x
  3. Step 3: Cross multiply
    1,212,802,670.34x = 1,673,672,727.60 × 655,885,717.20
  4. Step 4: Simplify right side
    1,212,802,670.34x = 1,097,738,037,300,006,272
  5. Step 5: Solve for x
    x = 1,097,738,037,300,006,272/1,212,802,670.34
  6. Step 6: Final answer
    x = 905,125,016.75

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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.