Home / 1,078,522,015.87-1,616,352,878.89-553,869,923.14

Finding the Fourth Proportional to 1,078,522,015.87, 1,616,352,878.89 and 553,869,923.14

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Solution

The fourth proportional to 1,078,522,015.87, 1,616,352,878.89 and 553,869,923.14 is: 830,070,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,522,015.87 : 1,616,352,878.89 = 553,869,923.14 : x
  2. Step 2: Convert to fraction form
    1,078,522,015.87/1,616,352,878.89 = 553,869,923.14/x
  3. Step 3: Cross multiply
    1,078,522,015.87x = 1,616,352,878.89 × 553,869,923.14
  4. Step 4: Simplify right side
    1,078,522,015.87x = 895,249,244,789,972,480
  5. Step 5: Solve for x
    x = 895,249,244,789,972,480/1,078,522,015.87
  6. Step 6: Final answer
    x = 830,070,440.49

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Half scale
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Double scale
Find fourth proportional to 1,078,522,016.87, 1,616,352,880.39 and 553,869,924.14
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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.