Home / 2,980,369,697.77-4,112,997,915.87-1,642,345,978.42

Finding the Fourth Proportional to 2,980,369,697.77, 4,112,997,915.87 and 1,642,345,978.42

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Solution

The fourth proportional to 2,980,369,697.77, 4,112,997,915.87 and 1,642,345,978.42 is: 2,266,485,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,369,697.77 : 4,112,997,915.87 = 1,642,345,978.42 : x
  2. Step 2: Convert to fraction form
    2,980,369,697.77/4,112,997,915.87 = 1,642,345,978.42/x
  3. Step 3: Cross multiply
    2,980,369,697.77x = 4,112,997,915.87 × 1,642,345,978.42
  4. Step 4: Simplify right side
    2,980,369,697.77x = 6,754,965,586,368,653,312
  5. Step 5: Solve for x
    x = 6,754,965,586,368,653,312/2,980,369,697.77
  6. Step 6: Final answer
    x = 2,266,485,795.85

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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.