Home / 524,505,879-723,799,101.51-289,551,482.64

Finding the Fourth Proportional to 524,505,879, 723,799,101.51 and 289,551,482.64

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Solution

The fourth proportional to 524,505,879, 723,799,101.51 and 289,551,482.64 is: 399,570,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,505,879 : 723,799,101.51 = 289,551,482.64 : x
  2. Step 2: Convert to fraction form
    524,505,879/723,799,101.51 = 289,551,482.64/x
  3. Step 3: Cross multiply
    524,505,879x = 723,799,101.51 × 289,551,482.64
  4. Step 4: Simplify right side
    524,505,879x = 209,577,102,975,720,352
  5. Step 5: Solve for x
    x = 209,577,102,975,720,352/524,505,879
  6. Step 6: Final answer
    x = 399,570,550.81

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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.