Home / 19,315,584,147.60-28,973,376,221.40-19,193,140,141.20

Finding the Fourth Proportional to 19,315,584,147.60, 28,973,376,221.40 and 19,193,140,141.20

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Solution

The fourth proportional to 19,315,584,147.60, 28,973,376,221.40 and 19,193,140,141.20 is: 28,789,710,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,147.60 : 28,973,376,221.40 = 19,193,140,141.20 : x
  2. Step 2: Convert to fraction form
    19,315,584,147.60/28,973,376,221.40 = 19,193,140,141.20/x
  3. Step 3: Cross multiply
    19,315,584,147.60x = 28,973,376,221.40 × 19,193,140,141.20
  4. Step 4: Simplify right side
    19,315,584,147.60x = 556,090,070,181,041,995,776
  5. Step 5: Solve for x
    x = 556,090,070,181,041,995,776/19,315,584,147.60
  6. Step 6: Final answer
    x = 28,789,710,211.80

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Double scale
Find fourth proportional to 19,315,584,148.60, 28,973,376,222.90 and 19,193,140,142.20
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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.