Home / 613,087,998.80-919,631,998.20-546,575,205.20

Finding the Fourth Proportional to 613,087,998.80, 919,631,998.20 and 546,575,205.20

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Solution

The fourth proportional to 613,087,998.80, 919,631,998.20 and 546,575,205.20 is: 819,862,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,087,998.80 : 919,631,998.20 = 546,575,205.20 : x
  2. Step 2: Convert to fraction form
    613,087,998.80/919,631,998.20 = 546,575,205.20/x
  3. Step 3: Cross multiply
    613,087,998.80x = 919,631,998.20 × 546,575,205.20
  4. Step 4: Simplify right side
    613,087,998.80x = 502,648,048,124,651,072
  5. Step 5: Solve for x
    x = 502,648,048,124,651,072/613,087,998.80
  6. Step 6: Final answer
    x = 819,862,807.80

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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.