Home / 890,488,245,876.30-1,335,732,368,814.50-465,852,431,681.10

Finding the Fourth Proportional to 890,488,245,876.30, 1,335,732,368,814.50 and 465,852,431,681.10

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Solution

The fourth proportional to 890,488,245,876.30, 1,335,732,368,814.50 and 465,852,431,681.10 is: 698,778,647,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,488,245,876.30 : 1,335,732,368,814.50 = 465,852,431,681.10 : x
  2. Step 2: Convert to fraction form
    890,488,245,876.30/1,335,732,368,814.50 = 465,852,431,681.10/x
  3. Step 3: Cross multiply
    890,488,245,876.30x = 1,335,732,368,814.50 × 465,852,431,681.10
  4. Step 4: Simplify right side
    890,488,245,876.30x = 622,254,172,087,390,717,345,792
  5. Step 5: Solve for x
    x = 622,254,172,087,390,717,345,792/890,488,245,876.30
  6. Step 6: Final answer
    x = 698,778,647,521.68

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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.