Home / 578,047,871.94-797,706,853.22-313,729,869.05

Finding the Fourth Proportional to 578,047,871.94, 797,706,853.22 and 313,729,869.05

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Solution

The fourth proportional to 578,047,871.94, 797,706,853.22 and 313,729,869.05 is: 432,947,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,871.94 : 797,706,853.22 = 313,729,869.05 : x
  2. Step 2: Convert to fraction form
    578,047,871.94/797,706,853.22 = 313,729,869.05/x
  3. Step 3: Cross multiply
    578,047,871.94x = 797,706,853.22 × 313,729,869.05
  4. Step 4: Simplify right side
    578,047,871.94x = 250,264,466,600,998,176
  5. Step 5: Solve for x
    x = 250,264,466,600,998,176/578,047,871.94
  6. Step 6: Final answer
    x = 432,947,648.02

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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.