Home / 578,047,870.94-797,706,851.84-313,729,868.05

Finding the Fourth Proportional to 578,047,870.94, 797,706,851.84 and 313,729,868.05

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Solution

The fourth proportional to 578,047,870.94, 797,706,851.84 and 313,729,868.05 is: 432,947,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,870.94 : 797,706,851.84 = 313,729,868.05 : x
  2. Step 2: Convert to fraction form
    578,047,870.94/797,706,851.84 = 313,729,868.05/x
  3. Step 3: Cross multiply
    578,047,870.94x = 797,706,851.84 × 313,729,868.05
  4. Step 4: Simplify right side
    578,047,870.94x = 250,264,465,367,957,696
  5. Step 5: Solve for x
    x = 250,264,465,367,957,696/578,047,870.94
  6. Step 6: Final answer
    x = 432,947,646.64

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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.