Home / 423,096,643.80-634,644,965.70-241,362,192.60

Finding the Fourth Proportional to 423,096,643.80, 634,644,965.70 and 241,362,192.60

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Solution

The fourth proportional to 423,096,643.80, 634,644,965.70 and 241,362,192.60 is: 362,043,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,096,643.80 : 634,644,965.70 = 241,362,192.60 : x
  2. Step 2: Convert to fraction form
    423,096,643.80/634,644,965.70 = 241,362,192.60/x
  3. Step 3: Cross multiply
    423,096,643.80x = 634,644,965.70 × 241,362,192.60
  4. Step 4: Simplify right side
    423,096,643.80x = 153,179,300,443,903,808
  5. Step 5: Solve for x
    x = 153,179,300,443,903,808/423,096,643.80
  6. Step 6: Final answer
    x = 362,043,288.90

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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.