Home / 448,843,145.40-673,264,718.10-429,711,269.40

Finding the Fourth Proportional to 448,843,145.40, 673,264,718.10 and 429,711,269.40

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Solution

The fourth proportional to 448,843,145.40, 673,264,718.10 and 429,711,269.40 is: 644,566,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,843,145.40 : 673,264,718.10 = 429,711,269.40 : x
  2. Step 2: Convert to fraction form
    448,843,145.40/673,264,718.10 = 429,711,269.40/x
  3. Step 3: Cross multiply
    448,843,145.40x = 673,264,718.10 × 429,711,269.40
  4. Step 4: Simplify right side
    448,843,145.40x = 289,309,436,656,984,128
  5. Step 5: Solve for x
    x = 289,309,436,656,984,128/448,843,145.40
  6. Step 6: Final answer
    x = 644,566,904.10

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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.