Home / 2,990,076,236.80-4,485,072,364.80-1,354,298,214.40

Finding the Fourth Proportional to 2,990,076,236.80, 4,485,072,364.80 and 1,354,298,214.40

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Solution

The fourth proportional to 2,990,076,236.80, 4,485,072,364.80 and 1,354,298,214.40 is: 2,031,428,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,076,236.80 : 4,485,072,364.80 = 1,354,298,214.40 : x
  2. Step 2: Convert to fraction form
    2,990,076,236.80/4,485,072,364.80 = 1,354,298,214.40/x
  3. Step 3: Cross multiply
    2,990,076,236.80x = 4,485,072,364.80 × 1,354,298,214.40
  4. Step 4: Simplify right side
    2,990,076,236.80x = 6,074,125,495,103,426,560
  5. Step 5: Solve for x
    x = 6,074,125,495,103,426,560/2,990,076,236.80
  6. Step 6: Final answer
    x = 2,031,428,302.85

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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.