Home / 524,426,788.54-723,708,858.84-289,477,387.72

Finding the Fourth Proportional to 524,426,788.54, 723,708,858.84 and 289,477,387.72

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Solution

The fourth proportional to 524,426,788.54, 723,708,858.84 and 289,477,387.72 is: 399,478,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,788.54 : 723,708,858.84 = 289,477,387.72 : x
  2. Step 2: Convert to fraction form
    524,426,788.54/723,708,858.84 = 289,477,387.72/x
  3. Step 3: Cross multiply
    524,426,788.54x = 723,708,858.84 × 289,477,387.72
  4. Step 4: Simplify right side
    524,426,788.54x = 209,497,349,926,825,472
  5. Step 5: Solve for x
    x = 209,497,349,926,825,472/524,426,788.54
  6. Step 6: Final answer
    x = 399,478,734.70

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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.