Home / 644,719,740.86-889,716,255.36-366,276,543.32

Finding the Fourth Proportional to 644,719,740.86, 889,716,255.36 and 366,276,543.32

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Solution

The fourth proportional to 644,719,740.86, 889,716,255.36 and 366,276,543.32 is: 505,463,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,719,740.86 : 889,716,255.36 = 366,276,543.32 : x
  2. Step 2: Convert to fraction form
    644,719,740.86/889,716,255.36 = 366,276,543.32/x
  3. Step 3: Cross multiply
    644,719,740.86x = 889,716,255.36 × 366,276,543.32
  4. Step 4: Simplify right side
    644,719,740.86x = 325,882,194,548,875,200
  5. Step 5: Solve for x
    x = 325,882,194,548,875,200/644,719,740.86
  6. Step 6: Final answer
    x = 505,463,341.50

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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.