Home / 1,132,434,133.70-1,698,651,200.55-314,554,453.70

Finding the Fourth Proportional to 1,132,434,133.70, 1,698,651,200.55 and 314,554,453.70

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Solution

The fourth proportional to 1,132,434,133.70, 1,698,651,200.55 and 314,554,453.70 is: 471,831,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,434,133.70 : 1,698,651,200.55 = 314,554,453.70 : x
  2. Step 2: Convert to fraction form
    1,132,434,133.70/1,698,651,200.55 = 314,554,453.70/x
  3. Step 3: Cross multiply
    1,132,434,133.70x = 1,698,651,200.55 × 314,554,453.70
  4. Step 4: Simplify right side
    1,132,434,133.70x = 534,318,300,415,854,336
  5. Step 5: Solve for x
    x = 534,318,300,415,854,336/1,132,434,133.70
  6. Step 6: Final answer
    x = 471,831,680.55

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Double scale
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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.