Home / 423,290,469.15-634,688,583.66-164,202,943.32

Finding the Fourth Proportional to 423,290,469.15, 634,688,583.66 and 164,202,943.32

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Solution

The fourth proportional to 423,290,469.15, 634,688,583.66 and 164,202,943.32 is: 246,208,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,290,469.15 : 634,688,583.66 = 164,202,943.32 : x
  2. Step 2: Convert to fraction form
    423,290,469.15/634,688,583.66 = 164,202,943.32/x
  3. Step 3: Cross multiply
    423,290,469.15x = 634,688,583.66 × 164,202,943.32
  4. Step 4: Simplify right side
    423,290,469.15x = 104,217,733,528,574,048
  5. Step 5: Solve for x
    x = 104,217,733,528,574,048/423,290,469.15
  6. Step 6: Final answer
    x = 246,208,552.10

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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.