Home / 417,430,173.60-626,145,260.40-144,828,496.80

Finding the Fourth Proportional to 417,430,173.60, 626,145,260.40 and 144,828,496.80

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Solution

The fourth proportional to 417,430,173.60, 626,145,260.40 and 144,828,496.80 is: 217,242,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,430,173.60 : 626,145,260.40 = 144,828,496.80 : x
  2. Step 2: Convert to fraction form
    417,430,173.60/626,145,260.40 = 144,828,496.80/x
  3. Step 3: Cross multiply
    417,430,173.60x = 626,145,260.40 × 144,828,496.80
  4. Step 4: Simplify right side
    417,430,173.60x = 90,683,676,842,176,576
  5. Step 5: Solve for x
    x = 90,683,676,842,176,576/417,430,173.60
  6. Step 6: Final answer
    x = 217,242,745.20

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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.