Home / 77,262,337,798.80-115,893,506,698.20-74,323,681,645.20

Finding the Fourth Proportional to 77,262,337,798.80, 115,893,506,698.20 and 74,323,681,645.20

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Solution

The fourth proportional to 77,262,337,798.80, 115,893,506,698.20 and 74,323,681,645.20 is: 111,485,522,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,798.80 : 115,893,506,698.20 = 74,323,681,645.20 : x
  2. Step 2: Convert to fraction form
    77,262,337,798.80/115,893,506,698.20 = 74,323,681,645.20/x
  3. Step 3: Cross multiply
    77,262,337,798.80x = 115,893,506,698.20 × 74,323,681,645.20
  4. Step 4: Simplify right side
    77,262,337,798.80x = 8,613,632,096,582,870,499,328
  5. Step 5: Solve for x
    x = 8,613,632,096,582,870,499,328/77,262,337,798.80
  6. Step 6: Final answer
    x = 111,485,522,467.80

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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.