Home / 2,208,384,047.20-3,312,576,070.80-655,914,978.40

Finding the Fourth Proportional to 2,208,384,047.20, 3,312,576,070.80 and 655,914,978.40

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Solution

The fourth proportional to 2,208,384,047.20, 3,312,576,070.80 and 655,914,978.40 is: 983,872,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,384,047.20 : 3,312,576,070.80 = 655,914,978.40 : x
  2. Step 2: Convert to fraction form
    2,208,384,047.20/3,312,576,070.80 = 655,914,978.40/x
  3. Step 3: Cross multiply
    2,208,384,047.20x = 3,312,576,070.80 × 655,914,978.40
  4. Step 4: Simplify right side
    2,208,384,047.20x = 2,172,768,261,927,138,816
  5. Step 5: Solve for x
    x = 2,172,768,261,927,138,816/2,208,384,047.20
  6. Step 6: Final answer
    x = 983,872,467.60

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1.5x scale

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.