Home / 3,108,317,254.74-4,289,534,178.21-1,698,680,864.34

Finding the Fourth Proportional to 3,108,317,254.74, 4,289,534,178.21 and 1,698,680,864.34

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Solution

The fourth proportional to 3,108,317,254.74, 4,289,534,178.21 and 1,698,680,864.34 is: 2,344,210,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,317,254.74 : 4,289,534,178.21 = 1,698,680,864.34 : x
  2. Step 2: Convert to fraction form
    3,108,317,254.74/4,289,534,178.21 = 1,698,680,864.34/x
  3. Step 3: Cross multiply
    3,108,317,254.74x = 4,289,534,178.21 × 1,698,680,864.34
  4. Step 4: Simplify right side
    3,108,317,254.74x = 7,286,549,625,457,733,632
  5. Step 5: Solve for x
    x = 7,286,549,625,457,733,632/3,108,317,254.74
  6. Step 6: Final answer
    x = 2,344,210,396.91

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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.