Home / 407,437,662,837.10-562,247,604,727.02-222,035,434,812.12

Finding the Fourth Proportional to 407,437,662,837.10, 562,247,604,727.02 and 222,035,434,812.12

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Solution

The fourth proportional to 407,437,662,837.10, 562,247,604,727.02 and 222,035,434,812.12 is: 306,399,979,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,437,662,837.10 : 562,247,604,727.02 = 222,035,434,812.12 : x
  2. Step 2: Convert to fraction form
    407,437,662,837.10/562,247,604,727.02 = 222,035,434,812.12/x
  3. Step 3: Cross multiply
    407,437,662,837.10x = 562,247,604,727.02 × 222,035,434,812.12
  4. Step 4: Simplify right side
    407,437,662,837.10x = 124,838,891,387,636,859,011,072
  5. Step 5: Solve for x
    x = 124,838,891,387,636,859,011,072/407,437,662,837.10
  6. Step 6: Final answer
    x = 306,399,979,124.04

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1.5x scale

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.