Home / 260,348,601,266.15-390,573,193,512.67-98,987,461,838.87

Finding the Fourth Proportional to 260,348,601,266.15, 390,573,193,512.67 and 98,987,461,838.87

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Solution

The fourth proportional to 260,348,601,266.15, 390,573,193,512.67 and 98,987,461,838.87 is: 148,500,314,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,348,601,266.15 : 390,573,193,512.67 = 98,987,461,838.87 : x
  2. Step 2: Convert to fraction form
    260,348,601,266.15/390,573,193,512.67 = 98,987,461,838.87/x
  3. Step 3: Cross multiply
    260,348,601,266.15x = 390,573,193,512.67 × 98,987,461,838.87
  4. Step 4: Simplify right side
    260,348,601,266.15x = 38,661,849,088,119,059,513,344
  5. Step 5: Solve for x
    x = 38,661,849,088,119,059,513,344/260,348,601,266.15
  6. Step 6: Final answer
    x = 148,500,314,194.49

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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.