Home / 1,370,423,000,360.90-2,055,702,780,417.50-521,545,321,212.15

Finding the Fourth Proportional to 1,370,423,000,360.90, 2,055,702,780,417.50 and 521,545,321,212.15

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Solution

The fourth proportional to 1,370,423,000,360.90, 2,055,702,780,417.50 and 521,545,321,212.15 is: 782,343,967,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,423,000,360.90 : 2,055,702,780,417.50 = 521,545,321,212.15 : x
  2. Step 2: Convert to fraction form
    1,370,423,000,360.90/2,055,702,780,417.50 = 521,545,321,212.15/x
  3. Step 3: Cross multiply
    1,370,423,000,360.90x = 2,055,702,780,417.50 × 521,545,321,212.15
  4. Step 4: Simplify right side
    1,370,423,000,360.90x = 1,072,142,166,929,554,936,954,880
  5. Step 5: Solve for x
    x = 1,072,142,166,929,554,936,954,880/1,370,423,000,360.90
  6. Step 6: Final answer
    x = 782,343,967,262.08

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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.