Home / 554,221,388.47-764,827,542.35-299,902,746.45

Finding the Fourth Proportional to 554,221,388.47, 764,827,542.35 and 299,902,746.45

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Solution

The fourth proportional to 554,221,388.47, 764,827,542.35 and 299,902,746.45 is: 413,866,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,221,388.47 : 764,827,542.35 = 299,902,746.45 : x
  2. Step 2: Convert to fraction form
    554,221,388.47/764,827,542.35 = 299,902,746.45/x
  3. Step 3: Cross multiply
    554,221,388.47x = 764,827,542.35 × 299,902,746.45
  4. Step 4: Simplify right side
    554,221,388.47x = 229,373,880,507,544,544
  5. Step 5: Solve for x
    x = 229,373,880,507,544,544/554,221,388.47
  6. Step 6: Final answer
    x = 413,866,886.55

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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.