Home / 31,037,069,907.20-46,555,604,860.80-21,241,549,395.20

Finding the Fourth Proportional to 31,037,069,907.20, 46,555,604,860.80 and 21,241,549,395.20

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Solution

The fourth proportional to 31,037,069,907.20, 46,555,604,860.80 and 21,241,549,395.20 is: 31,862,324,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037,069,907.20 : 46,555,604,860.80 = 21,241,549,395.20 : x
  2. Step 2: Convert to fraction form
    31,037,069,907.20/46,555,604,860.80 = 21,241,549,395.20/x
  3. Step 3: Cross multiply
    31,037,069,907.20x = 46,555,604,860.80 × 21,241,549,395.20
  4. Step 4: Simplify right side
    31,037,069,907.20x = 988,913,180,274,096,472,064
  5. Step 5: Solve for x
    x = 988,913,180,274,096,472,064/31,037,069,907.20
  6. Step 6: Final answer
    x = 31,862,324,092.80

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Double scale
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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.