Home / 1,435,444,458.80-2,153,166,688.20-515,201,223.20

Finding the Fourth Proportional to 1,435,444,458.80, 2,153,166,688.20 and 515,201,223.20

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Solution

The fourth proportional to 1,435,444,458.80, 2,153,166,688.20 and 515,201,223.20 is: 772,801,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,444,458.80 : 2,153,166,688.20 = 515,201,223.20 : x
  2. Step 2: Convert to fraction form
    1,435,444,458.80/2,153,166,688.20 = 515,201,223.20/x
  3. Step 3: Cross multiply
    1,435,444,458.80x = 2,153,166,688.20 × 515,201,223.20
  4. Step 4: Simplify right side
    1,435,444,458.80x = 1,109,314,111,514,132,864
  5. Step 5: Solve for x
    x = 1,109,314,111,514,132,864/1,435,444,458.80
  6. Step 6: Final answer
    x = 772,801,834.80

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1.5x scale

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.