Home / 524,426,622.71-723,708,630.20-289,477,220.90

Finding the Fourth Proportional to 524,426,622.71, 723,708,630.20 and 289,477,220.90

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Solution

The fourth proportional to 524,426,622.71, 723,708,630.20 and 289,477,220.90 is: 399,478,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,426,622.71 : 723,708,630.20 = 289,477,220.90 : x
  2. Step 2: Convert to fraction form
    524,426,622.71/723,708,630.20 = 289,477,220.90/x
  3. Step 3: Cross multiply
    524,426,622.71x = 723,708,630.20 × 289,477,220.90
  4. Step 4: Simplify right side
    524,426,622.71x = 209,497,163,006,575,872
  5. Step 5: Solve for x
    x = 209,497,163,006,575,872/524,426,622.71
  6. Step 6: Final answer
    x = 399,478,504.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.