Home / 1,663,459,543.80-2,495,189,315.70-436,751,998.20

Finding the Fourth Proportional to 1,663,459,543.80, 2,495,189,315.70 and 436,751,998.20

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Solution

The fourth proportional to 1,663,459,543.80, 2,495,189,315.70 and 436,751,998.20 is: 655,127,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,459,543.80 : 2,495,189,315.70 = 436,751,998.20 : x
  2. Step 2: Convert to fraction form
    1,663,459,543.80/2,495,189,315.70 = 436,751,998.20/x
  3. Step 3: Cross multiply
    1,663,459,543.80x = 2,495,189,315.70 × 436,751,998.20
  4. Step 4: Simplify right side
    1,663,459,543.80x = 1,089,778,919,519,265,536
  5. Step 5: Solve for x
    x = 1,089,778,919,519,265,536/1,663,459,543.80
  6. Step 6: Final answer
    x = 655,127,997.30

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Half scale
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Double scale
Find fourth proportional to 1,663,459,544.80, 2,495,189,317.20 and 436,751,999.20
Similar ratio
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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.