Home / 841,304,157.75-1,160,978,348.84-470,028,977.55

Finding the Fourth Proportional to 841,304,157.75, 1,160,978,348.84 and 470,028,977.55

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Solution

The fourth proportional to 841,304,157.75, 1,160,978,348.84 and 470,028,977.55 is: 648,628,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,304,157.75 : 1,160,978,348.84 = 470,028,977.55 : x
  2. Step 2: Convert to fraction form
    841,304,157.75/1,160,978,348.84 = 470,028,977.55/x
  3. Step 3: Cross multiply
    841,304,157.75x = 1,160,978,348.84 × 470,028,977.55
  4. Step 4: Simplify right side
    841,304,157.75x = 545,693,466,260,602,304
  5. Step 5: Solve for x
    x = 545,693,466,260,602,304/841,304,157.75
  6. Step 6: Final answer
    x = 648,628,039.26

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1.5x scale

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.