Home / 524,426,672.39-723,708,698.15-289,477,270.89

Finding the Fourth Proportional to 524,426,672.39, 723,708,698.15 and 289,477,270.89

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Solution

The fourth proportional to 524,426,672.39, 723,708,698.15 and 289,477,270.89 is: 399,478,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,672.39 : 723,708,698.15 = 289,477,270.89 : x
  2. Step 2: Convert to fraction form
    524,426,672.39/723,708,698.15 = 289,477,270.89/x
  3. Step 3: Cross multiply
    524,426,672.39x = 723,708,698.15 × 289,477,270.89
  4. Step 4: Simplify right side
    524,426,672.39x = 209,497,218,860,540,480
  5. Step 5: Solve for x
    x = 209,497,218,860,540,480/524,426,672.39
  6. Step 6: Final answer
    x = 399,478,573.25

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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.