Home / 916,594,483,248.45-1,264,843,393,738-505,039,930,937.45

Finding the Fourth Proportional to 916,594,483,248.45, 1,264,843,393,738 and 505,039,930,937.45

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Solution

The fourth proportional to 916,594,483,248.45, 1,264,843,393,738 and 505,039,930,937.45 is: 696,923,701,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,594,483,248.45 : 1,264,843,393,738 = 505,039,930,937.45 : x
  2. Step 2: Convert to fraction form
    916,594,483,248.45/1,264,843,393,738 = 505,039,930,937.45/x
  3. Step 3: Cross multiply
    916,594,483,248.45x = 1,264,843,393,738 × 505,039,930,937.45
  4. Step 4: Simplify right side
    916,594,483,248.45x = 638,796,420,220,129,365,721,088
  5. Step 5: Solve for x
    x = 638,796,420,220,129,365,721,088/916,594,483,248.45
  6. Step 6: Final answer
    x = 696,923,701,696.53

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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.