Home / 627,706,010.92-942,140,802.20-317,031,801.60

Finding the Fourth Proportional to 627,706,010.92, 942,140,802.20 and 317,031,801.60

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Solution

The fourth proportional to 627,706,010.92, 942,140,802.20 and 317,031,801.60 is: 475,841,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,706,010.92 : 942,140,802.20 = 317,031,801.60 : x
  2. Step 2: Convert to fraction form
    627,706,010.92/942,140,802.20 = 317,031,801.60/x
  3. Step 3: Cross multiply
    627,706,010.92x = 942,140,802.20 × 317,031,801.60
  4. Step 4: Simplify right side
    627,706,010.92x = 298,688,595,886,302,528
  5. Step 5: Solve for x
    x = 298,688,595,886,302,528/627,706,010.92
  6. Step 6: Final answer
    x = 475,841,541.56

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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.