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Finding the Fourth Proportional to 1,594,262,048.80, 2,391,393,073.20 and 978,850,746.40

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Solution

The fourth proportional to 1,594,262,048.80, 2,391,393,073.20 and 978,850,746.40 is: 1,468,276,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594,262,048.80 : 2,391,393,073.20 = 978,850,746.40 : x
  2. Step 2: Convert to fraction form
    1,594,262,048.80/2,391,393,073.20 = 978,850,746.40/x
  3. Step 3: Cross multiply
    1,594,262,048.80x = 2,391,393,073.20 × 978,850,746.40
  4. Step 4: Simplify right side
    1,594,262,048.80x = 2,340,816,894,637,609,472
  5. Step 5: Solve for x
    x = 2,340,816,894,637,609,472/1,594,262,048.80
  6. Step 6: Final answer
    x = 1,468,276,119.60

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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.