Home / 491,836,731.80-738,038,532.90-185,348,802.20

Finding the Fourth Proportional to 491,836,731.80, 738,038,532.90 and 185,348,802.20

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Solution

The fourth proportional to 491,836,731.80, 738,038,532.90 and 185,348,802.20 is: 278,130,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,836,731.80 : 738,038,532.90 = 185,348,802.20 : x
  2. Step 2: Convert to fraction form
    491,836,731.80/738,038,532.90 = 185,348,802.20/x
  3. Step 3: Cross multiply
    491,836,731.80x = 738,038,532.90 × 185,348,802.20
  4. Step 4: Simplify right side
    491,836,731.80x = 136,794,558,050,460,272
  5. Step 5: Solve for x
    x = 136,794,558,050,460,272/491,836,731.80
  6. Step 6: Final answer
    x = 278,130,015.93

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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.