Home / 407,437,662,838.10-562,247,604,728.40-222,035,434,813.12

Finding the Fourth Proportional to 407,437,662,838.10, 562,247,604,728.40 and 222,035,434,813.12

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Solution

The fourth proportional to 407,437,662,838.10, 562,247,604,728.40 and 222,035,434,813.12 is: 306,399,979,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,437,662,838.10 : 562,247,604,728.40 = 222,035,434,813.12 : x
  2. Step 2: Convert to fraction form
    407,437,662,838.10/562,247,604,728.40 = 222,035,434,813.12/x
  3. Step 3: Cross multiply
    407,437,662,838.10x = 562,247,604,728.40 × 222,035,434,813.12
  4. Step 4: Simplify right side
    407,437,662,838.10x = 124,838,891,388,505,516,146,688
  5. Step 5: Solve for x
    x = 124,838,891,388,505,516,146,688/407,437,662,838.10
  6. Step 6: Final answer
    x = 306,399,979,125.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.