Home / 921,940,483.18-1,271,473,812.24-653,485,325.58

Finding the Fourth Proportional to 921,940,483.18, 1,271,473,812.24 and 653,485,325.58

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Solution

The fourth proportional to 921,940,483.18, 1,271,473,812.24 and 653,485,325.58 is: 901,239,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,940,483.18 : 1,271,473,812.24 = 653,485,325.58 : x
  2. Step 2: Convert to fraction form
    921,940,483.18/1,271,473,812.24 = 653,485,325.58/x
  3. Step 3: Cross multiply
    921,940,483.18x = 1,271,473,812.24 × 653,485,325.58
  4. Step 4: Simplify right side
    921,940,483.18x = 830,889,478,158,100,224
  5. Step 5: Solve for x
    x = 830,889,478,158,100,224/921,940,483.18
  6. Step 6: Final answer
    x = 901,239,823.30

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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.