Home / 1,122,178,164,865.80-1,683,097,171,176.10-305,414,558,678.72

Finding the Fourth Proportional to 1,122,178,164,865.80, 1,683,097,171,176.10 and 305,414,558,678.72

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Solution

The fourth proportional to 1,122,178,164,865.80, 1,683,097,171,176.10 and 305,414,558,678.72 is: 458,075,549,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,178,164,865.80 : 1,683,097,171,176.10 = 305,414,558,678.72 : x
  2. Step 2: Convert to fraction form
    1,122,178,164,865.80/1,683,097,171,176.10 = 305,414,558,678.72/x
  3. Step 3: Cross multiply
    1,122,178,164,865.80x = 1,683,097,171,176.10 × 305,414,558,678.72
  4. Step 4: Simplify right side
    1,122,178,164,865.80x = 514,042,379,748,150,595,289,088
  5. Step 5: Solve for x
    x = 514,042,379,748,150,595,289,088/1,122,178,164,865.80
  6. Step 6: Final answer
    x = 458,075,549,714.18

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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.