Home / 728,275,298.70-1,092,412,948.05-644,095,044.30

Finding the Fourth Proportional to 728,275,298.70, 1,092,412,948.05 and 644,095,044.30

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Solution

The fourth proportional to 728,275,298.70, 1,092,412,948.05 and 644,095,044.30 is: 966,142,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275,298.70 : 1,092,412,948.05 = 644,095,044.30 : x
  2. Step 2: Convert to fraction form
    728,275,298.70/1,092,412,948.05 = 644,095,044.30/x
  3. Step 3: Cross multiply
    728,275,298.70x = 1,092,412,948.05 × 644,095,044.30
  4. Step 4: Simplify right side
    728,275,298.70x = 703,617,766,168,158,208
  5. Step 5: Solve for x
    x = 703,617,766,168,158,208/728,275,298.70
  6. Step 6: Final answer
    x = 966,142,566.45

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1.5x scale

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.