Home / 954,985,921.47-1,432,478,881.59-264,893,175.12

Finding the Fourth Proportional to 954,985,921.47, 1,432,478,881.59 and 264,893,175.12

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Solution

The fourth proportional to 954,985,921.47, 1,432,478,881.59 and 264,893,175.12 is: 397,339,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,985,921.47 : 1,432,478,881.59 = 264,893,175.12 : x
  2. Step 2: Convert to fraction form
    954,985,921.47/1,432,478,881.59 = 264,893,175.12/x
  3. Step 3: Cross multiply
    954,985,921.47x = 1,432,478,881.59 × 264,893,175.12
  4. Step 4: Simplify right side
    954,985,921.47x = 379,453,879,236,721,600
  5. Step 5: Solve for x
    x = 379,453,879,236,721,600/954,985,921.47
  6. Step 6: Final answer
    x = 397,339,762.51

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Double scale
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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.