Home / 797,257,816.40-1,195,886,724.60-312,583,624.40

Finding the Fourth Proportional to 797,257,816.40, 1,195,886,724.60 and 312,583,624.40

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Solution

The fourth proportional to 797,257,816.40, 1,195,886,724.60 and 312,583,624.40 is: 468,875,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,257,816.40 : 1,195,886,724.60 = 312,583,624.40 : x
  2. Step 2: Convert to fraction form
    797,257,816.40/1,195,886,724.60 = 312,583,624.40/x
  3. Step 3: Cross multiply
    797,257,816.40x = 1,195,886,724.60 × 312,583,624.40
  4. Step 4: Simplify right side
    797,257,816.40x = 373,814,606,747,312,576
  5. Step 5: Solve for x
    x = 373,814,606,747,312,576/797,257,816.40
  6. Step 6: Final answer
    x = 468,875,436.60

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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.