Home / 907,155,445.46-1,359,627,693.14-470,215,240.34

Finding the Fourth Proportional to 907,155,445.46, 1,359,627,693.14 and 470,215,240.34

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Solution

The fourth proportional to 907,155,445.46, 1,359,627,693.14 and 470,215,240.34 is: 704,749,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,445.46 : 1,359,627,693.14 = 470,215,240.34 : x
  2. Step 2: Convert to fraction form
    907,155,445.46/1,359,627,693.14 = 470,215,240.34/x
  3. Step 3: Cross multiply
    907,155,445.46x = 1,359,627,693.14 × 470,215,240.34
  4. Step 4: Simplify right side
    907,155,445.46x = 639,317,662,502,744,832
  5. Step 5: Solve for x
    x = 639,317,662,502,744,832/907,155,445.46
  6. Step 6: Final answer
    x = 704,749,848.22

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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.