Home / 907,155,465.48-1,359,627,722.98-470,215,260.36

Finding the Fourth Proportional to 907,155,465.48, 1,359,627,722.98 and 470,215,260.36

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Solution

The fourth proportional to 907,155,465.48, 1,359,627,722.98 and 470,215,260.36 is: 704,749,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,465.48 : 1,359,627,722.98 = 470,215,260.36 : x
  2. Step 2: Convert to fraction form
    907,155,465.48/1,359,627,722.98 = 470,215,260.36/x
  3. Step 3: Cross multiply
    907,155,465.48x = 1,359,627,722.98 × 470,215,260.36
  4. Step 4: Simplify right side
    907,155,465.48x = 639,317,703,753,714,688
  5. Step 5: Solve for x
    x = 639,317,703,753,714,688/907,155,465.48
  6. Step 6: Final answer
    x = 704,749,878.14

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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.