Home / 808,262,572.20-1,212,393,858.30-726,473,802.30

Finding the Fourth Proportional to 808,262,572.20, 1,212,393,858.30 and 726,473,802.30

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Solution

The fourth proportional to 808,262,572.20, 1,212,393,858.30 and 726,473,802.30 is: 1,089,710,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,262,572.20 : 1,212,393,858.30 = 726,473,802.30 : x
  2. Step 2: Convert to fraction form
    808,262,572.20/1,212,393,858.30 = 726,473,802.30/x
  3. Step 3: Cross multiply
    808,262,572.20x = 1,212,393,858.30 × 726,473,802.30
  4. Step 4: Simplify right side
    808,262,572.20x = 880,772,376,124,368,384
  5. Step 5: Solve for x
    x = 880,772,376,124,368,384/808,262,572.20
  6. Step 6: Final answer
    x = 1,089,710,703.45

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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.