Home / 434,172,831.60-651,060,181.80-191,710,930.80

Finding the Fourth Proportional to 434,172,831.60, 651,060,181.80 and 191,710,930.80

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Solution

The fourth proportional to 434,172,831.60, 651,060,181.80 and 191,710,930.80 is: 287,478,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,172,831.60 : 651,060,181.80 = 191,710,930.80 : x
  2. Step 2: Convert to fraction form
    434,172,831.60/651,060,181.80 = 191,710,930.80/x
  3. Step 3: Cross multiply
    434,172,831.60x = 651,060,181.80 × 191,710,930.80
  4. Step 4: Simplify right side
    434,172,831.60x = 124,815,353,459,695,216
  5. Step 5: Solve for x
    x = 124,815,353,459,695,216/434,172,831.60
  6. Step 6: Final answer
    x = 287,478,497.91

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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.