Home / 1,525,446,763.32-2,288,191,402.62-434,929,831.32

Finding the Fourth Proportional to 1,525,446,763.32, 2,288,191,402.62 and 434,929,831.32

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Solution

The fourth proportional to 1,525,446,763.32, 2,288,191,402.62 and 434,929,831.32 is: 652,400,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,446,763.32 : 2,288,191,402.62 = 434,929,831.32 : x
  2. Step 2: Convert to fraction form
    1,525,446,763.32/2,288,191,402.62 = 434,929,831.32/x
  3. Step 3: Cross multiply
    1,525,446,763.32x = 2,288,191,402.62 × 434,929,831.32
  4. Step 4: Simplify right side
    1,525,446,763.32x = 995,202,700,769,390,720
  5. Step 5: Solve for x
    x = 995,202,700,769,390,720/1,525,446,763.32
  6. Step 6: Final answer
    x = 652,400,807.88

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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.