Home / 743,698,498.11-1,115,683,924.37-306,760,820.19

Finding the Fourth Proportional to 743,698,498.11, 1,115,683,924.37 and 306,760,820.19

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Solution

The fourth proportional to 743,698,498.11, 1,115,683,924.37 and 306,760,820.19 is: 460,197,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,698,498.11 : 1,115,683,924.37 = 306,760,820.19 : x
  2. Step 2: Convert to fraction form
    743,698,498.11/1,115,683,924.37 = 306,760,820.19/x
  3. Step 3: Cross multiply
    743,698,498.11x = 1,115,683,924.37 × 306,760,820.19
  4. Step 4: Simplify right side
    743,698,498.11x = 342,248,115,711,005,312
  5. Step 5: Solve for x
    x = 342,248,115,711,005,312/743,698,498.11
  6. Step 6: Final answer
    x = 460,197,400.67

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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.