Home / 791,558,722.74-1,091,897,199.48-493,683,818.34

Finding the Fourth Proportional to 791,558,722.74, 1,091,897,199.48 and 493,683,818.34

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Solution

The fourth proportional to 791,558,722.74, 1,091,897,199.48 and 493,683,818.34 is: 681,000,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,558,722.74 : 1,091,897,199.48 = 493,683,818.34 : x
  2. Step 2: Convert to fraction form
    791,558,722.74/1,091,897,199.48 = 493,683,818.34/x
  3. Step 3: Cross multiply
    791,558,722.74x = 1,091,897,199.48 × 493,683,818.34
  4. Step 4: Simplify right side
    791,558,722.74x = 539,051,978,674,039,040
  5. Step 5: Solve for x
    x = 539,051,978,674,039,040/791,558,722.74
  6. Step 6: Final answer
    x = 681,000,617.12

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1.5x scale

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.