Home / 623,655,879,991.38-860,622,842,218.04-352,988,429,044.50

Finding the Fourth Proportional to 623,655,879,991.38, 860,622,842,218.04 and 352,988,429,044.50

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Solution

The fourth proportional to 623,655,879,991.38, 860,622,842,218.04 and 352,988,429,044.50 is: 487,111,426,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,655,879,991.38 : 860,622,842,218.04 = 352,988,429,044.50 : x
  2. Step 2: Convert to fraction form
    623,655,879,991.38/860,622,842,218.04 = 352,988,429,044.50/x
  3. Step 3: Cross multiply
    623,655,879,991.38x = 860,622,842,218.04 × 352,988,429,044.50
  4. Step 4: Simplify right side
    623,655,879,991.38x = 303,789,905,074,358,562,324,480
  5. Step 5: Solve for x
    x = 303,789,905,074,358,562,324,480/623,655,879,991.38
  6. Step 6: Final answer
    x = 487,111,426,061.69

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.