Home / 478,590,556.30-717,885,834.45-409,715,802.70

Finding the Fourth Proportional to 478,590,556.30, 717,885,834.45 and 409,715,802.70

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Solution

The fourth proportional to 478,590,556.30, 717,885,834.45 and 409,715,802.70 is: 614,573,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,590,556.30 : 717,885,834.45 = 409,715,802.70 : x
  2. Step 2: Convert to fraction form
    478,590,556.30/717,885,834.45 = 409,715,802.70/x
  3. Step 3: Cross multiply
    478,590,556.30x = 717,885,834.45 × 409,715,802.70
  4. Step 4: Simplify right side
    478,590,556.30x = 294,129,170,908,641,088
  5. Step 5: Solve for x
    x = 294,129,170,908,641,088/478,590,556.30
  6. Step 6: Final answer
    x = 614,573,704.05

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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.