Home / 5,209,062,835.47-7,188,572,092.19-2,830,240,499.58

Finding the Fourth Proportional to 5,209,062,835.47, 7,188,572,092.19 and 2,830,240,499.58

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Solution

The fourth proportional to 5,209,062,835.47, 7,188,572,092.19 and 2,830,240,499.58 is: 3,905,767,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,062,835.47 : 7,188,572,092.19 = 2,830,240,499.58 : x
  2. Step 2: Convert to fraction form
    5,209,062,835.47/7,188,572,092.19 = 2,830,240,499.58/x
  3. Step 3: Cross multiply
    5,209,062,835.47x = 7,188,572,092.19 × 2,830,240,499.58
  4. Step 4: Simplify right side
    5,209,062,835.47x = 20,345,387,869,452,521,472
  5. Step 5: Solve for x
    x = 20,345,387,869,452,521,472/5,209,062,835.47
  6. Step 6: Final answer
    x = 3,905,767,411.93

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1.5x scale

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.