Home / 1,094,766,012.59-1,510,698,665.61-642,662,337.03

Finding the Fourth Proportional to 1,094,766,012.59, 1,510,698,665.61 and 642,662,337.03

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Solution

The fourth proportional to 1,094,766,012.59, 1,510,698,665.61 and 642,662,337.03 is: 886,827,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,766,012.59 : 1,510,698,665.61 = 642,662,337.03 : x
  2. Step 2: Convert to fraction form
    1,094,766,012.59/1,510,698,665.61 = 642,662,337.03/x
  3. Step 3: Cross multiply
    1,094,766,012.59x = 1,510,698,665.61 × 642,662,337.03
  4. Step 4: Simplify right side
    1,094,766,012.59x = 970,869,134,983,374,976
  5. Step 5: Solve for x
    x = 970,869,134,983,374,976/1,094,766,012.59
  6. Step 6: Final answer
    x = 886,827,983.17

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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.