Home / 1,996,189,970.60-2,994,001,520.70-686,152,476.20

Finding the Fourth Proportional to 1,996,189,970.60, 2,994,001,520.70 and 686,152,476.20

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Solution

The fourth proportional to 1,996,189,970.60, 2,994,001,520.70 and 686,152,476.20 is: 1,029,131,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,189,970.60 : 2,994,001,520.70 = 686,152,476.20 : x
  2. Step 2: Convert to fraction form
    1,996,189,970.60/2,994,001,520.70 = 686,152,476.20/x
  3. Step 3: Cross multiply
    1,996,189,970.60x = 2,994,001,520.70 × 686,152,476.20
  4. Step 4: Simplify right side
    1,996,189,970.60x = 2,054,341,557,174,870,528
  5. Step 5: Solve for x
    x = 2,054,341,557,174,870,528/1,996,189,970.60
  6. Step 6: Final answer
    x = 1,029,131,288.82

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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.