Home / 430,920,095.40-646,380,143.10-424,117,650.60

Finding the Fourth Proportional to 430,920,095.40, 646,380,143.10 and 424,117,650.60

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Solution

The fourth proportional to 430,920,095.40, 646,380,143.10 and 424,117,650.60 is: 636,176,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,920,095.40 : 646,380,143.10 = 424,117,650.60 : x
  2. Step 2: Convert to fraction form
    430,920,095.40/646,380,143.10 = 424,117,650.60/x
  3. Step 3: Cross multiply
    430,920,095.40x = 646,380,143.10 × 424,117,650.60
  4. Step 4: Simplify right side
    430,920,095.40x = 274,141,227,686,063,840
  5. Step 5: Solve for x
    x = 274,141,227,686,063,840/430,920,095.40
  6. Step 6: Final answer
    x = 636,176,475.90

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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.