Home / 1,092,093,079.80-1,638,139,619.70-402,495,238.20

Finding the Fourth Proportional to 1,092,093,079.80, 1,638,139,619.70 and 402,495,238.20

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Solution

The fourth proportional to 1,092,093,079.80, 1,638,139,619.70 and 402,495,238.20 is: 603,742,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,093,079.80 : 1,638,139,619.70 = 402,495,238.20 : x
  2. Step 2: Convert to fraction form
    1,092,093,079.80/1,638,139,619.70 = 402,495,238.20/x
  3. Step 3: Cross multiply
    1,092,093,079.80x = 1,638,139,619.70 × 402,495,238.20
  4. Step 4: Simplify right side
    1,092,093,079.80x = 659,343,396,436,008,960
  5. Step 5: Solve for x
    x = 659,343,396,436,008,960/1,092,093,079.80
  6. Step 6: Final answer
    x = 603,742,857.30

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Double scale
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1.5x scale

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.