Home / 1,326,517,353.34-1,988,727,606.93-662,190,423.94

Finding the Fourth Proportional to 1,326,517,353.34, 1,988,727,606.93 and 662,190,423.94

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Solution

The fourth proportional to 1,326,517,353.34, 1,988,727,606.93 and 662,190,423.94 is: 992,762,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,517,353.34 : 1,988,727,606.93 = 662,190,423.94 : x
  2. Step 2: Convert to fraction form
    1,326,517,353.34/1,988,727,606.93 = 662,190,423.94/x
  3. Step 3: Cross multiply
    1,326,517,353.34x = 1,988,727,606.93 × 662,190,423.94
  4. Step 4: Simplify right side
    1,326,517,353.34x = 1,316,916,377,134,158,592
  5. Step 5: Solve for x
    x = 1,316,916,377,134,158,592/1,326,517,353.34
  6. Step 6: Final answer
    x = 992,762,268.67

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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.