Home / 775,989,133.25-1,070,705,146.35-445,900,499.33

Finding the Fourth Proportional to 775,989,133.25, 1,070,705,146.35 and 445,900,499.33

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Solution

The fourth proportional to 775,989,133.25, 1,070,705,146.35 and 445,900,499.33 is: 615,250,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,989,133.25 : 1,070,705,146.35 = 445,900,499.33 : x
  2. Step 2: Convert to fraction form
    775,989,133.25/1,070,705,146.35 = 445,900,499.33/x
  3. Step 3: Cross multiply
    775,989,133.25x = 1,070,705,146.35 × 445,900,499.33
  4. Step 4: Simplify right side
    775,989,133.25x = 477,427,959,387,312,192
  5. Step 5: Solve for x
    x = 477,427,959,387,312,192/775,989,133.25
  6. Step 6: Final answer
    x = 615,250,831.40

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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.