Home / 653,953,623.04-902,449,411.86-356,595,111.68

Finding the Fourth Proportional to 653,953,623.04, 902,449,411.86 and 356,595,111.68

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Solution

The fourth proportional to 653,953,623.04, 902,449,411.86 and 356,595,111.68 is: 492,097,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,953,623.04 : 902,449,411.86 = 356,595,111.68 : x
  2. Step 2: Convert to fraction form
    653,953,623.04/902,449,411.86 = 356,595,111.68/x
  3. Step 3: Cross multiply
    653,953,623.04x = 902,449,411.86 × 356,595,111.68
  4. Step 4: Simplify right side
    653,953,623.04x = 321,809,048,807,767,040
  5. Step 5: Solve for x
    x = 321,809,048,807,767,040/653,953,623.04
  6. Step 6: Final answer
    x = 492,097,661.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.