Home / 3,780,990,967.80-5,671,486,451.70-3,406,484,495.10

Finding the Fourth Proportional to 3,780,990,967.80, 5,671,486,451.70 and 3,406,484,495.10

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Solution

The fourth proportional to 3,780,990,967.80, 5,671,486,451.70 and 3,406,484,495.10 is: 5,109,726,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,990,967.80 : 5,671,486,451.70 = 3,406,484,495.10 : x
  2. Step 2: Convert to fraction form
    3,780,990,967.80/5,671,486,451.70 = 3,406,484,495.10/x
  3. Step 3: Cross multiply
    3,780,990,967.80x = 5,671,486,451.70 × 3,406,484,495.10
  4. Step 4: Simplify right side
    3,780,990,967.80x = 19,319,830,661,885,763,584
  5. Step 5: Solve for x
    x = 19,319,830,661,885,763,584/3,780,990,967.80
  6. Step 6: Final answer
    x = 5,109,726,742.65

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Half scale
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Double scale
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Similar ratio
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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.