Home / 948,117,491.66-1,308,392,498.82-524,731,979

Finding the Fourth Proportional to 948,117,491.66, 1,308,392,498.82 and 524,731,979

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Solution

The fourth proportional to 948,117,491.66, 1,308,392,498.82 and 524,731,979 is: 724,124,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,117,491.66 : 1,308,392,498.82 = 524,731,979 : x
  2. Step 2: Convert to fraction form
    948,117,491.66/1,308,392,498.82 = 524,731,979/x
  3. Step 3: Cross multiply
    948,117,491.66x = 1,308,392,498.82 × 524,731,979
  4. Step 4: Simplify right side
    948,117,491.66x = 686,555,385,214,573,696
  5. Step 5: Solve for x
    x = 686,555,385,214,573,696/948,117,491.66
  6. Step 6: Final answer
    x = 724,124,795.98

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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.