Home / 553,367,157,617.80-830,050,736,426.70-330,029,289,944.20

Finding the Fourth Proportional to 553,367,157,617.80, 830,050,736,426.70 and 330,029,289,944.20

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Solution

The fourth proportional to 553,367,157,617.80, 830,050,736,426.70 and 330,029,289,944.20 is: 495,043,934,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,367,157,617.80 : 830,050,736,426.70 = 330,029,289,944.20 : x
  2. Step 2: Convert to fraction form
    553,367,157,617.80/830,050,736,426.70 = 330,029,289,944.20/x
  3. Step 3: Cross multiply
    553,367,157,617.80x = 830,050,736,426.70 × 330,029,289,944.20
  4. Step 4: Simplify right side
    553,367,157,617.80x = 273,941,055,160,564,100,104,192
  5. Step 5: Solve for x
    x = 273,941,055,160,564,100,104,192/553,367,157,617.80
  6. Step 6: Final answer
    x = 495,043,934,916.30

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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.