Home / 463,237,746.22-639,411,397.77-298,225,184.50

Finding the Fourth Proportional to 463,237,746.22, 639,411,397.77 and 298,225,184.50

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Solution

The fourth proportional to 463,237,746.22, 639,411,397.77 and 298,225,184.50 is: 411,643,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,237,746.22 : 639,411,397.77 = 298,225,184.50 : x
  2. Step 2: Convert to fraction form
    463,237,746.22/639,411,397.77 = 298,225,184.50/x
  3. Step 3: Cross multiply
    463,237,746.22x = 639,411,397.77 × 298,225,184.50
  4. Step 4: Simplify right side
    463,237,746.22x = 190,688,582,071,361,120
  5. Step 5: Solve for x
    x = 190,688,582,071,361,120/463,237,746.22
  6. Step 6: Final answer
    x = 411,643,014.04

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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.