Home / 1,783,306,670.40-2,674,960,005.60-618,387,998.40

Finding the Fourth Proportional to 1,783,306,670.40, 2,674,960,005.60 and 618,387,998.40

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Solution

The fourth proportional to 1,783,306,670.40, 2,674,960,005.60 and 618,387,998.40 is: 927,581,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,306,670.40 : 2,674,960,005.60 = 618,387,998.40 : x
  2. Step 2: Convert to fraction form
    1,783,306,670.40/2,674,960,005.60 = 618,387,998.40/x
  3. Step 3: Cross multiply
    1,783,306,670.40x = 2,674,960,005.60 × 618,387,998.40
  4. Step 4: Simplify right side
    1,783,306,670.40x = 1,654,163,163,663,036,672
  5. Step 5: Solve for x
    x = 1,654,163,163,663,036,672/1,783,306,670.40
  6. Step 6: Final answer
    x = 927,581,997.60

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Double scale
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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.