Home / 298,389,875.40-447,645,347.10-93,870,383.40

Finding the Fourth Proportional to 298,389,875.40, 447,645,347.10 and 93,870,383.40

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Solution

The fourth proportional to 298,389,875.40, 447,645,347.10 and 93,870,383.40 is: 140,824,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,389,875.40 : 447,645,347.10 = 93,870,383.40 : x
  2. Step 2: Convert to fraction form
    298,389,875.40/447,645,347.10 = 93,870,383.40/x
  3. Step 3: Cross multiply
    298,389,875.40x = 447,645,347.10 × 93,870,383.40
  4. Step 4: Simplify right side
    298,389,875.40x = 42,020,640,359,503,080
  5. Step 5: Solve for x
    x = 42,020,640,359,503,080/298,389,875.40
  6. Step 6: Final answer
    x = 140,824,618.47

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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.