Home / 841,740,251.65-1,161,642,033.89-465,389,875.51

Finding the Fourth Proportional to 841,740,251.65, 1,161,642,033.89 and 465,389,875.51

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Solution

The fourth proportional to 841,740,251.65, 1,161,642,033.89 and 465,389,875.51 is: 642,260,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,740,251.65 : 1,161,642,033.89 = 465,389,875.51 : x
  2. Step 2: Convert to fraction form
    841,740,251.65/1,161,642,033.89 = 465,389,875.51/x
  3. Step 3: Cross multiply
    841,740,251.65x = 1,161,642,033.89 × 465,389,875.51
  4. Step 4: Simplify right side
    841,740,251.65x = 540,616,441,539,250,368
  5. Step 5: Solve for x
    x = 540,616,441,539,250,368/841,740,251.65
  6. Step 6: Final answer
    x = 642,260,412.85

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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.