Home / 907,155,466.52-1,359,627,724.50-470,215,261.40

Finding the Fourth Proportional to 907,155,466.52, 1,359,627,724.50 and 470,215,261.40

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Solution

The fourth proportional to 907,155,466.52, 1,359,627,724.50 and 470,215,261.40 is: 704,749,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,466.52 : 1,359,627,724.50 = 470,215,261.40 : x
  2. Step 2: Convert to fraction form
    907,155,466.52/1,359,627,724.50 = 470,215,261.40/x
  3. Step 3: Cross multiply
    907,155,466.52x = 1,359,627,724.50 × 470,215,261.40
  4. Step 4: Simplify right side
    907,155,466.52x = 639,317,705,882,454,656
  5. Step 5: Solve for x
    x = 639,317,705,882,454,656/907,155,466.52
  6. Step 6: Final answer
    x = 704,749,879.68

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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.