Home / 797,257,814.40-1,195,886,721.60-312,583,622.40

Finding the Fourth Proportional to 797,257,814.40, 1,195,886,721.60 and 312,583,622.40

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Solution

The fourth proportional to 797,257,814.40, 1,195,886,721.60 and 312,583,622.40 is: 468,875,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,257,814.40 : 1,195,886,721.60 = 312,583,622.40 : x
  2. Step 2: Convert to fraction form
    797,257,814.40/1,195,886,721.60 = 312,583,622.40/x
  3. Step 3: Cross multiply
    797,257,814.40x = 1,195,886,721.60 × 312,583,622.40
  4. Step 4: Simplify right side
    797,257,814.40x = 373,814,603,417,788,288
  5. Step 5: Solve for x
    x = 373,814,603,417,788,288/797,257,814.40
  6. Step 6: Final answer
    x = 468,875,433.60

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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.