Home / 1,505,946,749.30-2,258,920,123.95-689,653,373.30

Finding the Fourth Proportional to 1,505,946,749.30, 2,258,920,123.95 and 689,653,373.30

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Solution

The fourth proportional to 1,505,946,749.30, 2,258,920,123.95 and 689,653,373.30 is: 1,034,480,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,946,749.30 : 2,258,920,123.95 = 689,653,373.30 : x
  2. Step 2: Convert to fraction form
    1,505,946,749.30/2,258,920,123.95 = 689,653,373.30/x
  3. Step 3: Cross multiply
    1,505,946,749.30x = 2,258,920,123.95 × 689,653,373.30
  4. Step 4: Simplify right side
    1,505,946,749.30x = 1,557,871,883,497,371,392
  5. Step 5: Solve for x
    x = 1,557,871,883,497,371,392/1,505,946,749.30
  6. Step 6: Final answer
    x = 1,034,480,059.95

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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.