Home / 2,780,618,712.40-4,173,615,454.20-1,401,989,899.60

Finding the Fourth Proportional to 2,780,618,712.40, 4,173,615,454.20 and 1,401,989,899.60

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Solution

The fourth proportional to 2,780,618,712.40, 4,173,615,454.20 and 1,401,989,899.60 is: 2,104,339,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,618,712.40 : 4,173,615,454.20 = 1,401,989,899.60 : x
  2. Step 2: Convert to fraction form
    2,780,618,712.40/4,173,615,454.20 = 1,401,989,899.60/x
  3. Step 3: Cross multiply
    2,780,618,712.40x = 4,173,615,454.20 × 1,401,989,899.60
  4. Step 4: Simplify right side
    2,780,618,712.40x = 5,851,366,711,602,866,176
  5. Step 5: Solve for x
    x = 5,851,366,711,602,866,176/2,780,618,712.40
  6. Step 6: Final answer
    x = 2,104,339,831.10

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1.5x scale

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.