Home / 979,896,869.20-1,469,845,303.80-735,008,856.40

Finding the Fourth Proportional to 979,896,869.20, 1,469,845,303.80 and 735,008,856.40

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Solution

The fourth proportional to 979,896,869.20, 1,469,845,303.80 and 735,008,856.40 is: 1,102,513,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,896,869.20 : 1,469,845,303.80 = 735,008,856.40 : x
  2. Step 2: Convert to fraction form
    979,896,869.20/1,469,845,303.80 = 735,008,856.40/x
  3. Step 3: Cross multiply
    979,896,869.20x = 1,469,845,303.80 × 735,008,856.40
  4. Step 4: Simplify right side
    979,896,869.20x = 1,080,349,315,830,948,480
  5. Step 5: Solve for x
    x = 1,080,349,315,830,948,480/979,896,869.20
  6. Step 6: Final answer
    x = 1,102,513,284.60

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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.