Home / 1,431,708,590.81-2,147,871,994.76-435,807,496.80

Finding the Fourth Proportional to 1,431,708,590.81, 2,147,871,994.76 and 435,807,496.80

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Solution

The fourth proportional to 1,431,708,590.81, 2,147,871,994.76 and 435,807,496.80 is: 653,805,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,708,590.81 : 2,147,871,994.76 = 435,807,496.80 : x
  2. Step 2: Convert to fraction form
    1,431,708,590.81/2,147,871,994.76 = 435,807,496.80/x
  3. Step 3: Cross multiply
    1,431,708,590.81x = 2,147,871,994.76 × 435,807,496.80
  4. Step 4: Simplify right side
    1,431,708,590.81x = 936,058,717,480,999,296
  5. Step 5: Solve for x
    x = 936,058,717,480,999,296/1,431,708,590.81
  6. Step 6: Final answer
    x = 653,805,336.85

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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.