Home / 1,817,060,214.74-2,507,543,169.89-981,684,782.60

Finding the Fourth Proportional to 1,817,060,214.74, 2,507,543,169.89 and 981,684,782.60

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Solution

The fourth proportional to 1,817,060,214.74, 2,507,543,169.89 and 981,684,782.60 is: 1,354,725,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,060,214.74 : 2,507,543,169.89 = 981,684,782.60 : x
  2. Step 2: Convert to fraction form
    1,817,060,214.74/2,507,543,169.89 = 981,684,782.60/x
  3. Step 3: Cross multiply
    1,817,060,214.74x = 2,507,543,169.89 × 981,684,782.60
  4. Step 4: Simplify right side
    1,817,060,214.74x = 2,461,616,971,576,133,632
  5. Step 5: Solve for x
    x = 2,461,616,971,576,133,632/1,817,060,214.74
  6. Step 6: Final answer
    x = 1,354,725,039.72

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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.