Home / 1,009,411,270.80-1,514,116,906.20-550,246,246.80

Finding the Fourth Proportional to 1,009,411,270.80, 1,514,116,906.20 and 550,246,246.80

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Solution

The fourth proportional to 1,009,411,270.80, 1,514,116,906.20 and 550,246,246.80 is: 825,369,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,411,270.80 : 1,514,116,906.20 = 550,246,246.80 : x
  2. Step 2: Convert to fraction form
    1,009,411,270.80/1,514,116,906.20 = 550,246,246.80/x
  3. Step 3: Cross multiply
    1,009,411,270.80x = 1,514,116,906.20 × 550,246,246.80
  4. Step 4: Simplify right side
    1,009,411,270.80x = 833,137,144,852,977,664
  5. Step 5: Solve for x
    x = 833,137,144,852,977,664/1,009,411,270.80
  6. Step 6: Final answer
    x = 825,369,370.20

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Half scale
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Double scale
Find fourth proportional to 1,009,411,271.80, 1,514,116,907.70 and 550,246,247.80
Similar ratio
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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.