Home / 28,316,487,488,649-39,076,340,259,938-15,816,395,400,280

Finding the Fourth Proportional to 28,316,487,488,649, 39,076,340,259,938 and 15,816,395,400,280

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Solution

The fourth proportional to 28,316,487,488,649, 39,076,340,259,938 and 15,816,395,400,280 is: 21,826,395,261,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,316,487,488,649 : 39,076,340,259,938 = 15,816,395,400,280 : x
  2. Step 2: Convert to fraction form
    28,316,487,488,649/39,076,340,259,938 = 15,816,395,400,280/x
  3. Step 3: Cross multiply
    28,316,487,488,649x = 39,076,340,259,938 × 15,816,395,400,280
  4. Step 4: Simplify right side
    28,316,487,488,649x = 618,046,848,347,059,543,294,869,504
  5. Step 5: Solve for x
    x = 618,046,848,347,059,543,294,869,504/28,316,487,488,649
  6. Step 6: Final answer
    x = 21,826,395,261,587.83

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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.