Home / 756,406,490.40-1,134,609,735.60-464,326,516.80

Finding the Fourth Proportional to 756,406,490.40, 1,134,609,735.60 and 464,326,516.80

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Solution

The fourth proportional to 756,406,490.40, 1,134,609,735.60 and 464,326,516.80 is: 696,489,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,406,490.40 : 1,134,609,735.60 = 464,326,516.80 : x
  2. Step 2: Convert to fraction form
    756,406,490.40/1,134,609,735.60 = 464,326,516.80/x
  3. Step 3: Cross multiply
    756,406,490.40x = 1,134,609,735.60 × 464,326,516.80
  4. Step 4: Simplify right side
    756,406,490.40x = 526,829,386,458,516,928
  5. Step 5: Solve for x
    x = 526,829,386,458,516,928/756,406,490.40
  6. Step 6: Final answer
    x = 696,489,775.20

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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.