Home / 2,565,713,622.32-3,540,684,799.08-1,392,291,894.32

Finding the Fourth Proportional to 2,565,713,622.32, 3,540,684,799.08 and 1,392,291,894.32

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Solution

The fourth proportional to 2,565,713,622.32, 3,540,684,799.08 and 1,392,291,894.32 is: 1,921,362,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,713,622.32 : 3,540,684,799.08 = 1,392,291,894.32 : x
  2. Step 2: Convert to fraction form
    2,565,713,622.32/3,540,684,799.08 = 1,392,291,894.32/x
  3. Step 3: Cross multiply
    2,565,713,622.32x = 3,540,684,799.08 × 1,392,291,894.32
  4. Step 4: Simplify right side
    2,565,713,622.32x = 4,929,666,746,101,121,024
  5. Step 5: Solve for x
    x = 4,929,666,746,101,121,024/2,565,713,622.32
  6. Step 6: Final answer
    x = 1,921,362,814.31

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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.