Home / 1,300,218,685.44-1,950,322,769.10-470,978,259.72

Finding the Fourth Proportional to 1,300,218,685.44, 1,950,322,769.10 and 470,978,259.72

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Solution

The fourth proportional to 1,300,218,685.44, 1,950,322,769.10 and 470,978,259.72 is: 706,465,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,218,685.44 : 1,950,322,769.10 = 470,978,259.72 : x
  2. Step 2: Convert to fraction form
    1,300,218,685.44/1,950,322,769.10 = 470,978,259.72/x
  3. Step 3: Cross multiply
    1,300,218,685.44x = 1,950,322,769.10 × 470,978,259.72
  4. Step 4: Simplify right side
    1,300,218,685.44x = 918,559,623,683,009,408
  5. Step 5: Solve for x
    x = 918,559,623,683,009,408/1,300,218,685.44
  6. Step 6: Final answer
    x = 706,465,484.59

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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.