Home / 19,315,584,345.60-28,973,376,518.40-19,193,140,339.20

Finding the Fourth Proportional to 19,315,584,345.60, 28,973,376,518.40 and 19,193,140,339.20

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Solution

The fourth proportional to 19,315,584,345.60, 28,973,376,518.40 and 19,193,140,339.20 is: 28,789,710,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,345.60 : 28,973,376,518.40 = 19,193,140,339.20 : x
  2. Step 2: Convert to fraction form
    19,315,584,345.60/28,973,376,518.40 = 19,193,140,339.20/x
  3. Step 3: Cross multiply
    19,315,584,345.60x = 28,973,376,518.40 × 19,193,140,339.20
  4. Step 4: Simplify right side
    19,315,584,345.60x = 556,090,081,618,133,123,072
  5. Step 5: Solve for x
    x = 556,090,081,618,133,123,072/19,315,584,345.60
  6. Step 6: Final answer
    x = 28,789,710,508.80

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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.