Home / 10,348,992,006.10-15,523,488,009.15-7,900,111,878.10

Finding the Fourth Proportional to 10,348,992,006.10, 15,523,488,009.15 and 7,900,111,878.10

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Solution

The fourth proportional to 10,348,992,006.10, 15,523,488,009.15 and 7,900,111,878.10 is: 11,850,167,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,992,006.10 : 15,523,488,009.15 = 7,900,111,878.10 : x
  2. Step 2: Convert to fraction form
    10,348,992,006.10/15,523,488,009.15 = 7,900,111,878.10/x
  3. Step 3: Cross multiply
    10,348,992,006.10x = 15,523,488,009.15 × 7,900,111,878.10
  4. Step 4: Simplify right side
    10,348,992,006.10x = 122,637,292,010,628,841,472
  5. Step 5: Solve for x
    x = 122,637,292,010,628,841,472/10,348,992,006.10
  6. Step 6: Final answer
    x = 11,850,167,817.15

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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.