Home / 398,697,254.40-598,045,881.60-296,660,582.40

Finding the Fourth Proportional to 398,697,254.40, 598,045,881.60 and 296,660,582.40

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Solution

The fourth proportional to 398,697,254.40, 598,045,881.60 and 296,660,582.40 is: 444,990,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,697,254.40 : 598,045,881.60 = 296,660,582.40 : x
  2. Step 2: Convert to fraction form
    398,697,254.40/598,045,881.60 = 296,660,582.40/x
  3. Step 3: Cross multiply
    398,697,254.40x = 598,045,881.60 × 296,660,582.40
  4. Step 4: Simplify right side
    398,697,254.40x = 177,416,639,537,377,440
  5. Step 5: Solve for x
    x = 177,416,639,537,377,440/398,697,254.40
  6. Step 6: Final answer
    x = 444,990,873.60

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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.