Home / 918,896,323.23-1,268,076,919.28-501,208,595.55

Finding the Fourth Proportional to 918,896,323.23, 1,268,076,919.28 and 501,208,595.55

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Solution

The fourth proportional to 918,896,323.23, 1,268,076,919.28 and 501,208,595.55 is: 691,667,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,896,323.23 : 1,268,076,919.28 = 501,208,595.55 : x
  2. Step 2: Convert to fraction form
    918,896,323.23/1,268,076,919.28 = 501,208,595.55/x
  3. Step 3: Cross multiply
    918,896,323.23x = 1,268,076,919.28 × 501,208,595.55
  4. Step 4: Simplify right side
    918,896,323.23x = 635,571,051,759,193,600
  5. Step 5: Solve for x
    x = 635,571,051,759,193,600/918,896,323.23
  6. Step 6: Final answer
    x = 691,667,858.16

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Double scale
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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.