Home / 524,426,674.39-723,708,700.91-289,477,272.89

Finding the Fourth Proportional to 524,426,674.39, 723,708,700.91 and 289,477,272.89

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Solution

The fourth proportional to 524,426,674.39, 723,708,700.91 and 289,477,272.89 is: 399,478,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,674.39 : 723,708,700.91 = 289,477,272.89 : x
  2. Step 2: Convert to fraction form
    524,426,674.39/723,708,700.91 = 289,477,272.89/x
  3. Step 3: Cross multiply
    524,426,674.39x = 723,708,700.91 × 289,477,272.89
  4. Step 4: Simplify right side
    524,426,674.39x = 209,497,221,106,191,456
  5. Step 5: Solve for x
    x = 209,497,221,106,191,456/524,426,674.39
  6. Step 6: Final answer
    x = 399,478,576.01

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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.