Home / 612,609,776.03-919,357,316.87-243,932,256.18

Finding the Fourth Proportional to 612,609,776.03, 919,357,316.87 and 243,932,256.18

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Solution

The fourth proportional to 612,609,776.03, 919,357,316.87 and 243,932,256.18 is: 366,074,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,609,776.03 : 919,357,316.87 = 243,932,256.18 : x
  2. Step 2: Convert to fraction form
    612,609,776.03/919,357,316.87 = 243,932,256.18/x
  3. Step 3: Cross multiply
    612,609,776.03x = 919,357,316.87 × 243,932,256.18
  4. Step 4: Simplify right side
    612,609,776.03x = 224,260,904,538,470,624
  5. Step 5: Solve for x
    x = 224,260,904,538,470,624/612,609,776.03
  6. Step 6: Final answer
    x = 366,074,642.15

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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.