Home / 1,384,609,121.60-2,076,913,682.40-402,033,761.60

Finding the Fourth Proportional to 1,384,609,121.60, 2,076,913,682.40 and 402,033,761.60

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Solution

The fourth proportional to 1,384,609,121.60, 2,076,913,682.40 and 402,033,761.60 is: 603,050,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,609,121.60 : 2,076,913,682.40 = 402,033,761.60 : x
  2. Step 2: Convert to fraction form
    1,384,609,121.60/2,076,913,682.40 = 402,033,761.60/x
  3. Step 3: Cross multiply
    1,384,609,121.60x = 2,076,913,682.40 × 402,033,761.60
  4. Step 4: Simplify right side
    1,384,609,121.60x = 834,989,420,253,779,840
  5. Step 5: Solve for x
    x = 834,989,420,253,779,840/1,384,609,121.60
  6. Step 6: Final answer
    x = 603,050,642.40

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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.