Home / 389,276,168,117.96-584,082,053,292.18-210,166,592,918.54

Finding the Fourth Proportional to 389,276,168,117.96, 584,082,053,292.18 and 210,166,592,918.54

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Solution

The fourth proportional to 389,276,168,117.96, 584,082,053,292.18 and 210,166,592,918.54 is: 315,340,483,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,276,168,117.96 : 584,082,053,292.18 = 210,166,592,918.54 : x
  2. Step 2: Convert to fraction form
    389,276,168,117.96/584,082,053,292.18 = 210,166,592,918.54/x
  3. Step 3: Cross multiply
    389,276,168,117.96x = 584,082,053,292.18 × 210,166,592,918.54
  4. Step 4: Simplify right side
    389,276,168,117.96x = 122,754,535,125,282,591,866,880
  5. Step 5: Solve for x
    x = 122,754,535,125,282,591,866,880/389,276,168,117.96
  6. Step 6: Final answer
    x = 315,340,483,643.70

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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.