Home / 867,245,113.71-1,196,799,786.68-470,768,377.86

Finding the Fourth Proportional to 867,245,113.71, 1,196,799,786.68 and 470,768,377.86

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Solution

The fourth proportional to 867,245,113.71, 1,196,799,786.68 and 470,768,377.86 is: 649,661,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,245,113.71 : 1,196,799,786.68 = 470,768,377.86 : x
  2. Step 2: Convert to fraction form
    867,245,113.71/1,196,799,786.68 = 470,768,377.86/x
  3. Step 3: Cross multiply
    867,245,113.71x = 1,196,799,786.68 × 470,768,377.86
  4. Step 4: Simplify right side
    867,245,113.71x = 563,415,494,196,183,808
  5. Step 5: Solve for x
    x = 563,415,494,196,183,808/867,245,113.71
  6. Step 6: Final answer
    x = 649,661,191.85

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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.