Home / 897,216,100.20-1,346,006,108.70-509,224,804.20

Finding the Fourth Proportional to 897,216,100.20, 1,346,006,108.70 and 509,224,804.20

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Solution

The fourth proportional to 897,216,100.20, 1,346,006,108.70 and 509,224,804.20 is: 763,940,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,216,100.20 : 1,346,006,108.70 = 509,224,804.20 : x
  2. Step 2: Convert to fraction form
    897,216,100.20/1,346,006,108.70 = 509,224,804.20/x
  3. Step 3: Cross multiply
    897,216,100.20x = 1,346,006,108.70 × 509,224,804.20
  4. Step 4: Simplify right side
    897,216,100.20x = 685,419,697,154,761,472
  5. Step 5: Solve for x
    x = 685,419,697,154,761,472/897,216,100.20
  6. Step 6: Final answer
    x = 763,940,478.78

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1.5x scale

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.