Home / 1,634,487,432.32-2,255,640,291.36-891,979,321.28

Finding the Fourth Proportional to 1,634,487,432.32, 2,255,640,291.36 and 891,979,321.28

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Solution

The fourth proportional to 1,634,487,432.32, 2,255,640,291.36 and 891,979,321.28 is: 1,230,957,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,487,432.32 : 2,255,640,291.36 = 891,979,321.28 : x
  2. Step 2: Convert to fraction form
    1,634,487,432.32/2,255,640,291.36 = 891,979,321.28/x
  3. Step 3: Cross multiply
    1,634,487,432.32x = 2,255,640,291.36 × 891,979,321.28
  4. Step 4: Simplify right side
    1,634,487,432.32x = 2,011,984,496,139,114,240
  5. Step 5: Solve for x
    x = 2,011,984,496,139,114,240/1,634,487,432.32
  6. Step 6: Final answer
    x = 1,230,957,458.81

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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.