Home / 3,128,746,129.20-4,693,686,064.20-1,572,120,010.80

Finding the Fourth Proportional to 3,128,746,129.20, 4,693,686,064.20 and 1,572,120,010.80

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Solution

The fourth proportional to 3,128,746,129.20, 4,693,686,064.20 and 1,572,120,010.80 is: 2,358,464,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,746,129.20 : 4,693,686,064.20 = 1,572,120,010.80 : x
  2. Step 2: Convert to fraction form
    3,128,746,129.20/4,693,686,064.20 = 1,572,120,010.80/x
  3. Step 3: Cross multiply
    3,128,746,129.20x = 4,693,686,064.20 × 1,572,120,010.80
  4. Step 4: Simplify right side
    3,128,746,129.20x = 7,379,037,785,941,912,576
  5. Step 5: Solve for x
    x = 7,379,037,785,941,912,576/3,128,746,129.20
  6. Step 6: Final answer
    x = 2,358,464,855.00

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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.