Home / 847,983,465.11-1,271,975,641.41-265,763,056.16

Finding the Fourth Proportional to 847,983,465.11, 1,271,975,641.41 and 265,763,056.16

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Solution

The fourth proportional to 847,983,465.11, 1,271,975,641.41 and 265,763,056.16 is: 398,644,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,983,465.11 : 1,271,975,641.41 = 265,763,056.16 : x
  2. Step 2: Convert to fraction form
    847,983,465.11/1,271,975,641.41 = 265,763,056.16/x
  3. Step 3: Cross multiply
    847,983,465.11x = 1,271,975,641.41 × 265,763,056.16
  4. Step 4: Simplify right side
    847,983,465.11x = 338,044,133,822,197,888
  5. Step 5: Solve for x
    x = 338,044,133,822,197,888/847,983,465.11
  6. Step 6: Final answer
    x = 398,644,723.31

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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.