Home / 612,609,776.79-919,357,317.99-243,932,256.93

Finding the Fourth Proportional to 612,609,776.79, 919,357,317.99 and 243,932,256.93

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Solution

The fourth proportional to 612,609,776.79, 919,357,317.99 and 243,932,256.93 is: 366,074,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,609,776.79 : 919,357,317.99 = 243,932,256.93 : x
  2. Step 2: Convert to fraction form
    612,609,776.79/919,357,317.99 = 243,932,256.93/x
  3. Step 3: Cross multiply
    612,609,776.79x = 919,357,317.99 × 243,932,256.93
  4. Step 4: Simplify right side
    612,609,776.79x = 224,260,905,502,412,416
  5. Step 5: Solve for x
    x = 224,260,905,502,412,416/612,609,776.79
  6. Step 6: Final answer
    x = 366,074,643.27

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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.