Home / 3,117,153,885.78-4,301,671,003.14-1,688,225,057.94

Finding the Fourth Proportional to 3,117,153,885.78, 4,301,671,003.14 and 1,688,225,057.94

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Solution

The fourth proportional to 3,117,153,885.78, 4,301,671,003.14 and 1,688,225,057.94 is: 2,329,749,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,153,885.78 : 4,301,671,003.14 = 1,688,225,057.94 : x
  2. Step 2: Convert to fraction form
    3,117,153,885.78/4,301,671,003.14 = 1,688,225,057.94/x
  3. Step 3: Cross multiply
    3,117,153,885.78x = 4,301,671,003.14 × 1,688,225,057.94
  4. Step 4: Simplify right side
    3,117,153,885.78x = 7,262,188,778,514,845,696
  5. Step 5: Solve for x
    x = 7,262,188,778,514,845,696/3,117,153,885.78
  6. Step 6: Final answer
    x = 2,329,749,843.81

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1.5x scale

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.