Home / 1,078,189,858.60-1,617,583,386.30-715,392,802.60

Finding the Fourth Proportional to 1,078,189,858.60, 1,617,583,386.30 and 715,392,802.60

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Solution

The fourth proportional to 1,078,189,858.60, 1,617,583,386.30 and 715,392,802.60 is: 1,073,287,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,189,858.60 : 1,617,583,386.30 = 715,392,802.60 : x
  2. Step 2: Convert to fraction form
    1,078,189,858.60/1,617,583,386.30 = 715,392,802.60/x
  3. Step 3: Cross multiply
    1,078,189,858.60x = 1,617,583,386.30 × 715,392,802.60
  4. Step 4: Simplify right side
    1,078,189,858.60x = 1,157,207,512,164,355,328
  5. Step 5: Solve for x
    x = 1,157,207,512,164,355,328/1,078,189,858.60
  6. Step 6: Final answer
    x = 1,073,287,327.77

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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.