Home / 918,896,304.48-1,268,076,893.40-501,208,576.80

Finding the Fourth Proportional to 918,896,304.48, 1,268,076,893.40 and 501,208,576.80

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Solution

The fourth proportional to 918,896,304.48, 1,268,076,893.40 and 501,208,576.80 is: 691,667,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,896,304.48 : 1,268,076,893.40 = 501,208,576.80 : x
  2. Step 2: Convert to fraction form
    918,896,304.48/1,268,076,893.40 = 501,208,576.80/x
  3. Step 3: Cross multiply
    918,896,304.48x = 1,268,076,893.40 × 501,208,576.80
  4. Step 4: Simplify right side
    918,896,304.48x = 635,571,015,013,979,392
  5. Step 5: Solve for x
    x = 635,571,015,013,979,392/918,896,304.48
  6. Step 6: Final answer
    x = 691,667,832.28

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Double scale
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1.5x scale

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.