Home / 830,912,557,855.40-1,244,745,649,669.80-572,417,648,965.55

Finding the Fourth Proportional to 830,912,557,855.40, 1,244,745,649,669.80 and 572,417,648,965.55

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Solution

The fourth proportional to 830,912,557,855.40, 1,244,745,649,669.80 and 572,417,648,965.55 is: 857,508,255,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,912,557,855.40 : 1,244,745,649,669.80 = 572,417,648,965.55 : x
  2. Step 2: Convert to fraction form
    830,912,557,855.40/1,244,745,649,669.80 = 572,417,648,965.55/x
  3. Step 3: Cross multiply
    830,912,557,855.40x = 1,244,745,649,669.80 × 572,417,648,965.55
  4. Step 4: Simplify right side
    830,912,557,855.40x = 712,514,378,344,083,102,892,032
  5. Step 5: Solve for x
    x = 712,514,378,344,083,102,892,032/830,912,557,855.40
  6. Step 6: Final answer
    x = 857,508,255,962.69

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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.