Home / 1,688,446,399.92-2,330,056,252.80-935,808,167.12

Finding the Fourth Proportional to 1,688,446,399.92, 2,330,056,252.80 and 935,808,167.12

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Solution

The fourth proportional to 1,688,446,399.92, 2,330,056,252.80 and 935,808,167.12 is: 1,291,415,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,446,399.92 : 2,330,056,252.80 = 935,808,167.12 : x
  2. Step 2: Convert to fraction form
    1,688,446,399.92/2,330,056,252.80 = 935,808,167.12/x
  3. Step 3: Cross multiply
    1,688,446,399.92x = 2,330,056,252.80 × 935,808,167.12
  4. Step 4: Simplify right side
    1,688,446,399.92x = 2,180,485,671,219,263,488
  5. Step 5: Solve for x
    x = 2,180,485,671,219,263,488/1,688,446,399.92
  6. Step 6: Final answer
    x = 1,291,415,393.06

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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.