Home / 1,122,339,802.60-1,683,509,703.90-510,119,770.60

Finding the Fourth Proportional to 1,122,339,802.60, 1,683,509,703.90 and 510,119,770.60

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Solution

The fourth proportional to 1,122,339,802.60, 1,683,509,703.90 and 510,119,770.60 is: 765,179,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,339,802.60 : 1,683,509,703.90 = 510,119,770.60 : x
  2. Step 2: Convert to fraction form
    1,122,339,802.60/1,683,509,703.90 = 510,119,770.60/x
  3. Step 3: Cross multiply
    1,122,339,802.60x = 1,683,509,703.90 × 510,119,770.60
  4. Step 4: Simplify right side
    1,122,339,802.60x = 858,791,583,956,342,016
  5. Step 5: Solve for x
    x = 858,791,583,956,342,016/1,122,339,802.60
  6. Step 6: Final answer
    x = 765,179,655.90

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Double scale
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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.