Home / 676,859,694.60-1,015,289,541.90-166,256,430.60

Finding the Fourth Proportional to 676,859,694.60, 1,015,289,541.90 and 166,256,430.60

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Solution

The fourth proportional to 676,859,694.60, 1,015,289,541.90 and 166,256,430.60 is: 249,384,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,859,694.60 : 1,015,289,541.90 = 166,256,430.60 : x
  2. Step 2: Convert to fraction form
    676,859,694.60/1,015,289,541.90 = 166,256,430.60/x
  3. Step 3: Cross multiply
    676,859,694.60x = 1,015,289,541.90 × 166,256,430.60
  4. Step 4: Simplify right side
    676,859,694.60x = 168,798,415,261,803,136
  5. Step 5: Solve for x
    x = 168,798,415,261,803,136/676,859,694.60
  6. Step 6: Final answer
    x = 249,384,645.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.