Home / 1,310,759,090.28-1,966,155,673.72-437,360,458.62

Finding the Fourth Proportional to 1,310,759,090.28, 1,966,155,673.72 and 437,360,458.62

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Solution

The fourth proportional to 1,310,759,090.28, 1,966,155,673.72 and 437,360,458.62 is: 656,046,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,759,090.28 : 1,966,155,673.72 = 437,360,458.62 : x
  2. Step 2: Convert to fraction form
    1,310,759,090.28/1,966,155,673.72 = 437,360,458.62/x
  3. Step 3: Cross multiply
    1,310,759,090.28x = 1,966,155,673.72 × 437,360,458.62
  4. Step 4: Simplify right side
    1,310,759,090.28x = 859,918,747,176,494,336
  5. Step 5: Solve for x
    x = 859,918,747,176,494,336/1,310,759,090.28
  6. Step 6: Final answer
    x = 656,046,373.09

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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.