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Finding the Fourth Proportional to 19,065,165,802.40, 28,543,329,145.20 and 19,065,165,802.40

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Solution

The fourth proportional to 19,065,165,802.40, 28,543,329,145.20 and 19,065,165,802.40 is: 28,543,329,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065,165,802.40 : 28,543,329,145.20 = 19,065,165,802.40 : x
  2. Step 2: Convert to fraction form
    19,065,165,802.40/28,543,329,145.20 = 19,065,165,802.40/x
  3. Step 3: Cross multiply
    19,065,165,802.40x = 28,543,329,145.20 × 19,065,165,802.40
  4. Step 4: Simplify right side
    19,065,165,802.40x = 544,183,302,705,714,298,880
  5. Step 5: Solve for x
    x = 544,183,302,705,714,298,880/19,065,165,802.40
  6. Step 6: Final answer
    x = 28,543,329,145.20

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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.