Home / 2,688,272,145.60-4,032,408,218.40-2,144,076,561.60

Finding the Fourth Proportional to 2,688,272,145.60, 4,032,408,218.40 and 2,144,076,561.60

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Solution

The fourth proportional to 2,688,272,145.60, 4,032,408,218.40 and 2,144,076,561.60 is: 3,216,114,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,272,145.60 : 4,032,408,218.40 = 2,144,076,561.60 : x
  2. Step 2: Convert to fraction form
    2,688,272,145.60/4,032,408,218.40 = 2,144,076,561.60/x
  3. Step 3: Cross multiply
    2,688,272,145.60x = 4,032,408,218.40 × 2,144,076,561.60
  4. Step 4: Simplify right side
    2,688,272,145.60x = 8,645,791,947,874,653,184
  5. Step 5: Solve for x
    x = 8,645,791,947,874,653,184/2,688,272,145.60
  6. Step 6: Final answer
    x = 3,216,114,842.40

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Double scale
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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.