Home / 423,510,920.40-634,994,492.64-164,450,097.84

Finding the Fourth Proportional to 423,510,920.40, 634,994,492.64 and 164,450,097.84

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Solution

The fourth proportional to 423,510,920.40, 634,994,492.64 and 164,450,097.84 is: 246,569,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,510,920.40 : 634,994,492.64 = 164,450,097.84 : x
  2. Step 2: Convert to fraction form
    423,510,920.40/634,994,492.64 = 164,450,097.84/x
  3. Step 3: Cross multiply
    423,510,920.40x = 634,994,492.64 × 164,450,097.84
  4. Step 4: Simplify right side
    423,510,920.40x = 104,424,906,442,509,152
  5. Step 5: Solve for x
    x = 104,424,906,442,509,152/423,510,920.40
  6. Step 6: Final answer
    x = 246,569,572.15

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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.