Home / 1,255,646,500.15-1,733,099,706.23-972,829,543.18

Finding the Fourth Proportional to 1,255,646,500.15, 1,733,099,706.23 and 972,829,543.18

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Solution

The fourth proportional to 1,255,646,500.15, 1,733,099,706.23 and 972,829,543.18 is: 1,342,743,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,646,500.15 : 1,733,099,706.23 = 972,829,543.18 : x
  2. Step 2: Convert to fraction form
    1,255,646,500.15/1,733,099,706.23 = 972,829,543.18/x
  3. Step 3: Cross multiply
    1,255,646,500.15x = 1,733,099,706.23 × 972,829,543.18
  4. Step 4: Simplify right side
    1,255,646,500.15x = 1,686,010,595,497,123,072
  5. Step 5: Solve for x
    x = 1,686,010,595,497,123,072/1,255,646,500.15
  6. Step 6: Final answer
    x = 1,342,743,037.39

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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.