Home / 19,064,046,538.40-28,596,069,807.60-13,186,734,231.20

Finding the Fourth Proportional to 19,064,046,538.40, 28,596,069,807.60 and 13,186,734,231.20

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Solution

The fourth proportional to 19,064,046,538.40, 28,596,069,807.60 and 13,186,734,231.20 is: 19,780,101,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064,046,538.40 : 28,596,069,807.60 = 13,186,734,231.20 : x
  2. Step 2: Convert to fraction form
    19,064,046,538.40/28,596,069,807.60 = 13,186,734,231.20/x
  3. Step 3: Cross multiply
    19,064,046,538.40x = 28,596,069,807.60 × 13,186,734,231.20
  4. Step 4: Simplify right side
    19,064,046,538.40x = 377,088,772,609,663,696,896
  5. Step 5: Solve for x
    x = 377,088,772,609,663,696,896/19,064,046,538.40
  6. Step 6: Final answer
    x = 19,780,101,346.80

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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.