Home / 1,271,447,599.80-1,907,171,399.70-927,073,831.80

Finding the Fourth Proportional to 1,271,447,599.80, 1,907,171,399.70 and 927,073,831.80

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Solution

The fourth proportional to 1,271,447,599.80, 1,907,171,399.70 and 927,073,831.80 is: 1,390,610,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,447,599.80 : 1,907,171,399.70 = 927,073,831.80 : x
  2. Step 2: Convert to fraction form
    1,271,447,599.80/1,907,171,399.70 = 927,073,831.80/x
  3. Step 3: Cross multiply
    1,271,447,599.80x = 1,907,171,399.70 × 927,073,831.80
  4. Step 4: Simplify right side
    1,271,447,599.80x = 1,768,088,697,419,248,384
  5. Step 5: Solve for x
    x = 1,768,088,697,419,248,384/1,271,447,599.80
  6. Step 6: Final answer
    x = 1,390,610,747.70

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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.