Home / 408,265,258,206.90-563,404,091,946.76-225,360,759,938.88

Finding the Fourth Proportional to 408,265,258,206.90, 563,404,091,946.76 and 225,360,759,938.88

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Solution

The fourth proportional to 408,265,258,206.90, 563,404,091,946.76 and 225,360,759,938.88 is: 310,996,764,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,265,258,206.90 : 563,404,091,946.76 = 225,360,759,938.88 : x
  2. Step 2: Convert to fraction form
    408,265,258,206.90/563,404,091,946.76 = 225,360,759,938.88/x
  3. Step 3: Cross multiply
    408,265,258,206.90x = 563,404,091,946.76 × 225,360,759,938.88
  4. Step 4: Simplify right side
    408,265,258,206.90x = 126,969,174,313,796,464,803,840
  5. Step 5: Solve for x
    x = 126,969,174,313,796,464,803,840/408,265,258,206.90
  6. Step 6: Final answer
    x = 310,996,764,386.58

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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.