Home / 1,721,872,500,300.30-2,376,256,239,423.10-990,261,478,153.80

Finding the Fourth Proportional to 1,721,872,500,300.30, 2,376,256,239,423.10 and 990,261,478,153.80

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Solution

The fourth proportional to 1,721,872,500,300.30, 2,376,256,239,423.10 and 990,261,478,153.80 is: 1,366,602,356,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,872,500,300.30 : 2,376,256,239,423.10 = 990,261,478,153.80 : x
  2. Step 2: Convert to fraction form
    1,721,872,500,300.30/2,376,256,239,423.10 = 990,261,478,153.80/x
  3. Step 3: Cross multiply
    1,721,872,500,300.30x = 2,376,256,239,423.10 × 990,261,478,153.80
  4. Step 4: Simplify right side
    1,721,872,500,300.30x = 2,353,115,016,123,309,401,047,040
  5. Step 5: Solve for x
    x = 2,353,115,016,123,309,401,047,040/1,721,872,500,300.30
  6. Step 6: Final answer
    x = 1,366,602,356,279.53

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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.