Home / 1,077,664,644.40-1,616,496,966.60-465,444,612.40

Finding the Fourth Proportional to 1,077,664,644.40, 1,616,496,966.60 and 465,444,612.40

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Solution

The fourth proportional to 1,077,664,644.40, 1,616,496,966.60 and 465,444,612.40 is: 698,166,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,664,644.40 : 1,616,496,966.60 = 465,444,612.40 : x
  2. Step 2: Convert to fraction form
    1,077,664,644.40/1,616,496,966.60 = 465,444,612.40/x
  3. Step 3: Cross multiply
    1,077,664,644.40x = 1,616,496,966.60 × 465,444,612.40
  4. Step 4: Simplify right side
    1,077,664,644.40x = 752,389,804,064,912,640
  5. Step 5: Solve for x
    x = 752,389,804,064,912,640/1,077,664,644.40
  6. Step 6: Final answer
    x = 698,166,918.60

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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.