Home / 789,357,646,281.70-1,181,997,288,119.60-544,787,440,893.07

Finding the Fourth Proportional to 789,357,646,281.70, 1,181,997,288,119.60 and 544,787,440,893.07

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Solution

The fourth proportional to 789,357,646,281.70, 1,181,997,288,119.60 and 544,787,440,893.07 is: 815,773,788,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,357,646,281.70 : 1,181,997,288,119.60 = 544,787,440,893.07 : x
  2. Step 2: Convert to fraction form
    789,357,646,281.70/1,181,997,288,119.60 = 544,787,440,893.07/x
  3. Step 3: Cross multiply
    789,357,646,281.70x = 1,181,997,288,119.60 × 544,787,440,893.07
  4. Step 4: Simplify right side
    789,357,646,281.70x = 643,937,277,737,225,706,012,672
  5. Step 5: Solve for x
    x = 643,937,277,737,225,706,012,672/789,357,646,281.70
  6. Step 6: Final answer
    x = 815,773,788,688.20

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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.