Home / 841,740,449.02-1,161,642,306.21-465,390,072.88

Finding the Fourth Proportional to 841,740,449.02, 1,161,642,306.21 and 465,390,072.88

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Solution

The fourth proportional to 841,740,449.02, 1,161,642,306.21 and 465,390,072.88 is: 642,260,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,740,449.02 : 1,161,642,306.21 = 465,390,072.88 : x
  2. Step 2: Convert to fraction form
    841,740,449.02/1,161,642,306.21 = 465,390,072.88/x
  3. Step 3: Cross multiply
    841,740,449.02x = 1,161,642,306.21 × 465,390,072.88
  4. Step 4: Simplify right side
    841,740,449.02x = 540,616,797,547,563,200
  5. Step 5: Solve for x
    x = 540,616,797,547,563,200/841,740,449.02
  6. Step 6: Final answer
    x = 642,260,685.20

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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.