Home / 993,051,205.40-1,489,576,808.10-838,083,009.80

Finding the Fourth Proportional to 993,051,205.40, 1,489,576,808.10 and 838,083,009.80

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Solution

The fourth proportional to 993,051,205.40, 1,489,576,808.10 and 838,083,009.80 is: 1,257,124,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,051,205.40 : 1,489,576,808.10 = 838,083,009.80 : x
  2. Step 2: Convert to fraction form
    993,051,205.40/1,489,576,808.10 = 838,083,009.80/x
  3. Step 3: Cross multiply
    993,051,205.40x = 1,489,576,808.10 × 838,083,009.80
  4. Step 4: Simplify right side
    993,051,205.40x = 1,248,389,014,660,724,992
  5. Step 5: Solve for x
    x = 1,248,389,014,660,724,992/993,051,205.40
  6. Step 6: Final answer
    x = 1,257,124,514.70

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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.