Home / 1,981,448,397.55-2,732,152,266.93-1,266,038,786.53

Finding the Fourth Proportional to 1,981,448,397.55, 2,732,152,266.93 and 1,266,038,786.53

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Solution

The fourth proportional to 1,981,448,397.55, 2,732,152,266.93 and 1,266,038,786.53 is: 1,745,698,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,448,397.55 : 2,732,152,266.93 = 1,266,038,786.53 : x
  2. Step 2: Convert to fraction form
    1,981,448,397.55/2,732,152,266.93 = 1,266,038,786.53/x
  3. Step 3: Cross multiply
    1,981,448,397.55x = 2,732,152,266.93 × 1,266,038,786.53
  4. Step 4: Simplify right side
    1,981,448,397.55x = 3,459,010,740,639,245,312
  5. Step 5: Solve for x
    x = 3,459,010,740,639,245,312/1,981,448,397.55
  6. Step 6: Final answer
    x = 1,745,698,119.07

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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.