Home / 800,508,054.15-1,104,712,395.12-461,229,019.74

Finding the Fourth Proportional to 800,508,054.15, 1,104,712,395.12 and 461,229,019.74

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Solution

The fourth proportional to 800,508,054.15, 1,104,712,395.12 and 461,229,019.74 is: 636,502,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,508,054.15 : 1,104,712,395.12 = 461,229,019.74 : x
  2. Step 2: Convert to fraction form
    800,508,054.15/1,104,712,395.12 = 461,229,019.74/x
  3. Step 3: Cross multiply
    800,508,054.15x = 1,104,712,395.12 × 461,229,019.74
  4. Step 4: Simplify right side
    800,508,054.15x = 509,525,415,095,825,088
  5. Step 5: Solve for x
    x = 509,525,415,095,825,088/800,508,054.15
  6. Step 6: Final answer
    x = 636,502,546.67

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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.