Home / 2,980,369,339.83-4,112,997,421.36-1,642,345,620.25

Finding the Fourth Proportional to 2,980,369,339.83, 4,112,997,421.36 and 1,642,345,620.25

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Solution

The fourth proportional to 2,980,369,339.83, 4,112,997,421.36 and 1,642,345,620.25 is: 2,266,485,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,369,339.83 : 4,112,997,421.36 = 1,642,345,620.25 : x
  2. Step 2: Convert to fraction form
    2,980,369,339.83/4,112,997,421.36 = 1,642,345,620.25/x
  3. Step 3: Cross multiply
    2,980,369,339.83x = 4,112,997,421.36 × 1,642,345,620.25
  4. Step 4: Simplify right side
    2,980,369,339.83x = 6,754,963,301,070,140,416
  5. Step 5: Solve for x
    x = 6,754,963,301,070,140,416/2,980,369,339.83
  6. Step 6: Final answer
    x = 2,266,485,301.27

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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.