Home / 1,422,779,906-1,963,436,270.28-771,614,210

Finding the Fourth Proportional to 1,422,779,906, 1,963,436,270.28 and 771,614,210

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Solution

The fourth proportional to 1,422,779,906, 1,963,436,270.28 and 771,614,210 is: 1,064,827,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,779,906 : 1,963,436,270.28 = 771,614,210 : x
  2. Step 2: Convert to fraction form
    1,422,779,906/1,963,436,270.28 = 771,614,210/x
  3. Step 3: Cross multiply
    1,422,779,906x = 1,963,436,270.28 × 771,614,210
  4. Step 4: Simplify right side
    1,422,779,906x = 1,515,015,326,577,448,704
  5. Step 5: Solve for x
    x = 1,515,015,326,577,448,704/1,422,779,906
  6. Step 6: Final answer
    x = 1,064,827,609.80

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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.