Home / 2,980,369,462.49-4,112,997,590.64-1,642,345,743.07

Finding the Fourth Proportional to 2,980,369,462.49, 4,112,997,590.64 and 1,642,345,743.07

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Solution

The fourth proportional to 2,980,369,462.49, 4,112,997,590.64 and 1,642,345,743.07 is: 2,266,485,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,369,462.49 : 4,112,997,590.64 = 1,642,345,743.07 : x
  2. Step 2: Convert to fraction form
    2,980,369,462.49/4,112,997,590.64 = 1,642,345,743.07/x
  3. Step 3: Cross multiply
    2,980,369,462.49x = 4,112,997,590.64 × 1,642,345,743.07
  4. Step 4: Simplify right side
    2,980,369,462.49x = 6,754,964,084,234,487,808
  5. Step 5: Solve for x
    x = 6,754,964,084,234,487,808/2,980,369,462.49
  6. Step 6: Final answer
    x = 2,266,485,470.77

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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.