Home / 442,868,401.80-664,302,602.70-435,215,651.40

Finding the Fourth Proportional to 442,868,401.80, 664,302,602.70 and 435,215,651.40

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Solution

The fourth proportional to 442,868,401.80, 664,302,602.70 and 435,215,651.40 is: 652,823,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,401.80 : 664,302,602.70 = 435,215,651.40 : x
  2. Step 2: Convert to fraction form
    442,868,401.80/664,302,602.70 = 435,215,651.40/x
  3. Step 3: Cross multiply
    442,868,401.80x = 664,302,602.70 × 435,215,651.40
  4. Step 4: Simplify right side
    442,868,401.80x = 289,114,889,960,795,904
  5. Step 5: Solve for x
    x = 289,114,889,960,795,904/442,868,401.80
  6. Step 6: Final answer
    x = 652,823,477.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.