Home / 1,705,509,838.48-2,558,508,447.84-525,190,020.88

Finding the Fourth Proportional to 1,705,509,838.48, 2,558,508,447.84 and 525,190,020.88

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Solution

The fourth proportional to 1,705,509,838.48, 2,558,508,447.84 and 525,190,020.88 is: 787,860,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,509,838.48 : 2,558,508,447.84 = 525,190,020.88 : x
  2. Step 2: Convert to fraction form
    1,705,509,838.48/2,558,508,447.84 = 525,190,020.88/x
  3. Step 3: Cross multiply
    1,705,509,838.48x = 2,558,508,447.84 × 525,190,020.88
  4. Step 4: Simplify right side
    1,705,509,838.48x = 1,343,703,105,142,746,112
  5. Step 5: Solve for x
    x = 1,343,703,105,142,746,112/1,705,509,838.48
  6. Step 6: Final answer
    x = 787,860,072.59

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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.