Home / 423,487,078.48-634,689,521.04-341,644,552.12

Finding the Fourth Proportional to 423,487,078.48, 634,689,521.04 and 341,644,552.12

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Solution

The fourth proportional to 423,487,078.48, 634,689,521.04 and 341,644,552.12 is: 512,030,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,487,078.48 : 634,689,521.04 = 341,644,552.12 : x
  2. Step 2: Convert to fraction form
    423,487,078.48/634,689,521.04 = 341,644,552.12/x
  3. Step 3: Cross multiply
    423,487,078.48x = 634,689,521.04 × 341,644,552.12
  4. Step 4: Simplify right side
    423,487,078.48x = 216,838,217,150,968,096
  5. Step 5: Solve for x
    x = 216,838,217,150,968,096/423,487,078.48
  6. Step 6: Final answer
    x = 512,030,303.10

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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.