Home / 743,756,096.40-1,115,634,144.60-698,406,464.40

Finding the Fourth Proportional to 743,756,096.40, 1,115,634,144.60 and 698,406,464.40

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Solution

The fourth proportional to 743,756,096.40, 1,115,634,144.60 and 698,406,464.40 is: 1,047,609,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,756,096.40 : 1,115,634,144.60 = 698,406,464.40 : x
  2. Step 2: Convert to fraction form
    743,756,096.40/1,115,634,144.60 = 698,406,464.40/x
  3. Step 3: Cross multiply
    743,756,096.40x = 1,115,634,144.60 × 698,406,464.40
  4. Step 4: Simplify right side
    743,756,096.40x = 779,166,098,494,004,224
  5. Step 5: Solve for x
    x = 779,166,098,494,004,224/743,756,096.40
  6. Step 6: Final answer
    x = 1,047,609,696.60

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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.