Home / 298,936,278.40-448,404,417.60-238,470,102.40

Finding the Fourth Proportional to 298,936,278.40, 448,404,417.60 and 238,470,102.40

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Solution

The fourth proportional to 298,936,278.40, 448,404,417.60 and 238,470,102.40 is: 357,705,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,278.40 : 448,404,417.60 = 238,470,102.40 : x
  2. Step 2: Convert to fraction form
    298,936,278.40/448,404,417.60 = 238,470,102.40/x
  3. Step 3: Cross multiply
    298,936,278.40x = 448,404,417.60 × 238,470,102.40
  4. Step 4: Simplify right side
    298,936,278.40x = 106,931,047,381,684,368
  5. Step 5: Solve for x
    x = 106,931,047,381,684,368/298,936,278.40
  6. Step 6: Final answer
    x = 357,705,153.60

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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.