Home / 1,209,117,721,650.90-1,813,931,302,590.60-392,226,683,588.51

Finding the Fourth Proportional to 1,209,117,721,650.90, 1,813,931,302,590.60 and 392,226,683,588.51

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Solution

The fourth proportional to 1,209,117,721,650.90, 1,813,931,302,590.60 and 392,226,683,588.51 is: 588,422,654,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,117,721,650.90 : 1,813,931,302,590.60 = 392,226,683,588.51 : x
  2. Step 2: Convert to fraction form
    1,209,117,721,650.90/1,813,931,302,590.60 = 392,226,683,588.51/x
  3. Step 3: Cross multiply
    1,209,117,721,650.90x = 1,813,931,302,590.60 × 392,226,683,588.51
  4. Step 4: Simplify right side
    1,209,117,721,650.90x = 711,472,259,072,497,108,910,080
  5. Step 5: Solve for x
    x = 711,472,259,072,497,108,910,080/1,209,117,721,650.90
  6. Step 6: Final answer
    x = 588,422,654,248.31

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Double scale
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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.