Home / 3,117,153,885.52-4,301,671,002.78-1,688,225,057.68

Finding the Fourth Proportional to 3,117,153,885.52, 4,301,671,002.78 and 1,688,225,057.68

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Solution

The fourth proportional to 3,117,153,885.52, 4,301,671,002.78 and 1,688,225,057.68 is: 2,329,749,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,153,885.52 : 4,301,671,002.78 = 1,688,225,057.68 : x
  2. Step 2: Convert to fraction form
    3,117,153,885.52/4,301,671,002.78 = 1,688,225,057.68/x
  3. Step 3: Cross multiply
    3,117,153,885.52x = 4,301,671,002.78 × 1,688,225,057.68
  4. Step 4: Simplify right side
    3,117,153,885.52x = 7,262,188,776,788,648,960
  5. Step 5: Solve for x
    x = 7,262,188,776,788,648,960/3,117,153,885.52
  6. Step 6: Final answer
    x = 2,329,749,843.45

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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.