Home / 1,525,446,671.32-2,288,191,264.62-434,929,739.32

Finding the Fourth Proportional to 1,525,446,671.32, 2,288,191,264.62 and 434,929,739.32

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Solution

The fourth proportional to 1,525,446,671.32, 2,288,191,264.62 and 434,929,739.32 is: 652,400,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,446,671.32 : 2,288,191,264.62 = 434,929,739.32 : x
  2. Step 2: Convert to fraction form
    1,525,446,671.32/2,288,191,264.62 = 434,929,739.32/x
  3. Step 3: Cross multiply
    1,525,446,671.32x = 2,288,191,264.62 × 434,929,739.32
  4. Step 4: Simplify right side
    1,525,446,671.32x = 995,202,430,235,477,632
  5. Step 5: Solve for x
    x = 995,202,430,235,477,632/1,525,446,671.32
  6. Step 6: Final answer
    x = 652,400,669.88

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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.