Home / 28,006,113,873.04-38,648,553,587.71-15,145,753,831.88

Finding the Fourth Proportional to 28,006,113,873.04, 38,648,553,587.71 and 15,145,753,831.88

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Solution

The fourth proportional to 28,006,113,873.04, 38,648,553,587.71 and 15,145,753,831.88 is: 20,901,203,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,113,873.04 : 38,648,553,587.71 = 15,145,753,831.88 : x
  2. Step 2: Convert to fraction form
    28,006,113,873.04/38,648,553,587.71 = 15,145,753,831.88/x
  3. Step 3: Cross multiply
    28,006,113,873.04x = 38,648,553,587.71 × 15,145,753,831.88
  4. Step 4: Simplify right side
    28,006,113,873.04x = 585,361,478,597,678,202,880
  5. Step 5: Solve for x
    x = 585,361,478,597,678,202,880/28,006,113,873.04
  6. Step 6: Final answer
    x = 20,901,203,260.52

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1.5x scale

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.