Home / 1,214,267,879.76-1,675,690,234.71-657,350,926.83

Finding the Fourth Proportional to 1,214,267,879.76, 1,675,690,234.71 and 657,350,926.83

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Solution

The fourth proportional to 1,214,267,879.76, 1,675,690,234.71 and 657,350,926.83 is: 907,144,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,267,879.76 : 1,675,690,234.71 = 657,350,926.83 : x
  2. Step 2: Convert to fraction form
    1,214,267,879.76/1,675,690,234.71 = 657,350,926.83/x
  3. Step 3: Cross multiply
    1,214,267,879.76x = 1,675,690,234.71 × 657,350,926.83
  4. Step 4: Simplify right side
    1,214,267,879.76x = 1,101,516,528,858,220,416
  5. Step 5: Solve for x
    x = 1,101,516,528,858,220,416/1,214,267,879.76
  6. Step 6: Final answer
    x = 907,144,582.52

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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.