Home / 910,271,177.70-1,256,177,532-492,583,417.92

Finding the Fourth Proportional to 910,271,177.70, 1,256,177,532 and 492,583,417.92

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Solution

The fourth proportional to 910,271,177.70, 1,256,177,532 and 492,583,417.92 is: 679,766,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,271,177.70 : 1,256,177,532 = 492,583,417.92 : x
  2. Step 2: Convert to fraction form
    910,271,177.70/1,256,177,532 = 492,583,417.92/x
  3. Step 3: Cross multiply
    910,271,177.70x = 1,256,177,532 × 492,583,417.92
  4. Step 4: Simplify right side
    910,271,177.70x = 618,772,222,226,870,144
  5. Step 5: Solve for x
    x = 618,772,222,226,870,144/910,271,177.70
  6. Step 6: Final answer
    x = 679,766,906.15

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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.