Home / 2,485,386,405.54-3,429,905,885.34-1,356,428,624.76

Finding the Fourth Proportional to 2,485,386,405.54, 3,429,905,885.34 and 1,356,428,624.76

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Solution

The fourth proportional to 2,485,386,405.54, 3,429,905,885.34 and 1,356,428,624.76 is: 1,871,911,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,386,405.54 : 3,429,905,885.34 = 1,356,428,624.76 : x
  2. Step 2: Convert to fraction form
    2,485,386,405.54/3,429,905,885.34 = 1,356,428,624.76/x
  3. Step 3: Cross multiply
    2,485,386,405.54x = 3,429,905,885.34 × 1,356,428,624.76
  4. Step 4: Simplify right side
    2,485,386,405.54x = 4,652,422,523,107,966,976
  5. Step 5: Solve for x
    x = 4,652,422,523,107,966,976/2,485,386,405.54
  6. Step 6: Final answer
    x = 1,871,911,149.40

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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.