Home / 423,290,462.16-634,688,573.16-164,202,936.32

Finding the Fourth Proportional to 423,290,462.16, 634,688,573.16 and 164,202,936.32

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Solution

The fourth proportional to 423,290,462.16, 634,688,573.16 and 164,202,936.32 is: 246,208,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,290,462.16 : 634,688,573.16 = 164,202,936.32 : x
  2. Step 2: Convert to fraction form
    423,290,462.16/634,688,573.16 = 164,202,936.32/x
  3. Step 3: Cross multiply
    423,290,462.16x = 634,688,573.16 × 164,202,936.32
  4. Step 4: Simplify right side
    423,290,462.16x = 104,217,727,361,623,136
  5. Step 5: Solve for x
    x = 104,217,727,361,623,136/423,290,462.16
  6. Step 6: Final answer
    x = 246,208,541.60

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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.