Home / 659,748,200.70-989,370,358.65-199,533,416.70

Finding the Fourth Proportional to 659,748,200.70, 989,370,358.65 and 199,533,416.70

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Solution

The fourth proportional to 659,748,200.70, 989,370,358.65 and 199,533,416.70 is: 299,223,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,748,200.70 : 989,370,358.65 = 199,533,416.70 : x
  2. Step 2: Convert to fraction form
    659,748,200.70/989,370,358.65 = 199,533,416.70/x
  3. Step 3: Cross multiply
    659,748,200.70x = 989,370,358.65 × 199,533,416.70
  4. Step 4: Simplify right side
    659,748,200.70x = 197,412,448,043,138,880
  5. Step 5: Solve for x
    x = 197,412,448,043,138,880/659,748,200.70
  6. Step 6: Final answer
    x = 299,223,927.91

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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.