Home / 746,501,246.40-1,119,751,869.60-637,662,129.60

Finding the Fourth Proportional to 746,501,246.40, 1,119,751,869.60 and 637,662,129.60

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Solution

The fourth proportional to 746,501,246.40, 1,119,751,869.60 and 637,662,129.60 is: 956,493,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,501,246.40 : 1,119,751,869.60 = 637,662,129.60 : x
  2. Step 2: Convert to fraction form
    746,501,246.40/1,119,751,869.60 = 637,662,129.60/x
  3. Step 3: Cross multiply
    746,501,246.40x = 1,119,751,869.60 × 637,662,129.60
  4. Step 4: Simplify right side
    746,501,246.40x = 714,023,361,792,717,440
  5. Step 5: Solve for x
    x = 714,023,361,792,717,440/746,501,246.40
  6. Step 6: Final answer
    x = 956,493,194.40

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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.