Home / 501,556,523.96-692,064,956.18-289,883,065.62

Finding the Fourth Proportional to 501,556,523.96, 692,064,956.18 and 289,883,065.62

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Solution

The fourth proportional to 501,556,523.96, 692,064,956.18 and 289,883,065.62 is: 399,990,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,556,523.96 : 692,064,956.18 = 289,883,065.62 : x
  2. Step 2: Convert to fraction form
    501,556,523.96/692,064,956.18 = 289,883,065.62/x
  3. Step 3: Cross multiply
    501,556,523.96x = 692,064,956.18 × 289,883,065.62
  4. Step 4: Simplify right side
    501,556,523.96x = 200,617,911,103,422,080
  5. Step 5: Solve for x
    x = 200,617,911,103,422,080/501,556,523.96
  6. Step 6: Final answer
    x = 399,990,632.20

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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.