Home / 841,740,250.65-1,161,642,032.51-465,389,874.51

Finding the Fourth Proportional to 841,740,250.65, 1,161,642,032.51 and 465,389,874.51

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Solution

The fourth proportional to 841,740,250.65, 1,161,642,032.51 and 465,389,874.51 is: 642,260,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,740,250.65 : 1,161,642,032.51 = 465,389,874.51 : x
  2. Step 2: Convert to fraction form
    841,740,250.65/1,161,642,032.51 = 465,389,874.51/x
  3. Step 3: Cross multiply
    841,740,250.65x = 1,161,642,032.51 × 465,389,874.51
  4. Step 4: Simplify right side
    841,740,250.65x = 540,616,439,731,293,376
  5. Step 5: Solve for x
    x = 540,616,439,731,293,376/841,740,250.65
  6. Step 6: Final answer
    x = 642,260,411.47

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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.