Home / 1,312,609,986.70-1,968,914,980.05-1,312,609,986.70

Finding the Fourth Proportional to 1,312,609,986.70, 1,968,914,980.05 and 1,312,609,986.70

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Solution

The fourth proportional to 1,312,609,986.70, 1,968,914,980.05 and 1,312,609,986.70 is: 1,968,914,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,609,986.70 : 1,968,914,980.05 = 1,312,609,986.70 : x
  2. Step 2: Convert to fraction form
    1,312,609,986.70/1,968,914,980.05 = 1,312,609,986.70/x
  3. Step 3: Cross multiply
    1,312,609,986.70x = 1,968,914,980.05 × 1,312,609,986.70
  4. Step 4: Simplify right side
    1,312,609,986.70x = 2,584,417,465,776,861,184
  5. Step 5: Solve for x
    x = 2,584,417,465,776,861,184/1,312,609,986.70
  6. Step 6: Final answer
    x = 1,968,914,980.05

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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.