Home / 445,792,328.40-668,656,999.80-154,588,904.40

Finding the Fourth Proportional to 445,792,328.40, 668,656,999.80 and 154,588,904.40

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Solution

The fourth proportional to 445,792,328.40, 668,656,999.80 and 154,588,904.40 is: 231,872,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,792,328.40 : 668,656,999.80 = 154,588,904.40 : x
  2. Step 2: Convert to fraction form
    445,792,328.40/668,656,999.80 = 154,588,904.40/x
  3. Step 3: Cross multiply
    445,792,328.40x = 668,656,999.80 × 154,588,904.40
  4. Step 4: Simplify right side
    445,792,328.40x = 103,366,953,018,473,008
  5. Step 5: Solve for x
    x = 103,366,953,018,473,008/445,792,328.40
  6. Step 6: Final answer
    x = 231,872,435.74

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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.