Home / 512,370,479.04-707,071,594.70-277,421,298.67

Finding the Fourth Proportional to 512,370,479.04, 707,071,594.70 and 277,421,298.67

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Solution

The fourth proportional to 512,370,479.04, 707,071,594.70 and 277,421,298.67 is: 382,841,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,370,479.04 : 707,071,594.70 = 277,421,298.67 : x
  2. Step 2: Convert to fraction form
    512,370,479.04/707,071,594.70 = 277,421,298.67/x
  3. Step 3: Cross multiply
    512,370,479.04x = 707,071,594.70 × 277,421,298.67
  4. Step 4: Simplify right side
    512,370,479.04x = 196,156,720,055,416,032
  5. Step 5: Solve for x
    x = 196,156,720,055,416,032/512,370,479.04
  6. Step 6: Final answer
    x = 382,841,572.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.