Home / 1,238,940,859,977.40-1,858,411,289,966.10-735,604,160,668.60

Finding the Fourth Proportional to 1,238,940,859,977.40, 1,858,411,289,966.10 and 735,604,160,668.60

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Solution

The fourth proportional to 1,238,940,859,977.40, 1,858,411,289,966.10 and 735,604,160,668.60 is: 1,103,406,241,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,940,859,977.40 : 1,858,411,289,966.10 = 735,604,160,668.60 : x
  2. Step 2: Convert to fraction form
    1,238,940,859,977.40/1,858,411,289,966.10 = 735,604,160,668.60/x
  3. Step 3: Cross multiply
    1,238,940,859,977.40x = 1,858,411,289,966.10 × 735,604,160,668.60
  4. Step 4: Simplify right side
    1,238,940,859,977.40x = 1,367,055,077,132,563,115,933,696
  5. Step 5: Solve for x
    x = 1,367,055,077,132,563,115,933,696/1,238,940,859,977.40
  6. Step 6: Final answer
    x = 1,103,406,241,002.90

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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.