Home / 1,026,042,213-1,416,089,531.70-649,733,147.40

Finding the Fourth Proportional to 1,026,042,213, 1,416,089,531.70 and 649,733,147.40

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Solution

The fourth proportional to 1,026,042,213, 1,416,089,531.70 and 649,733,147.40 is: 896,727,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,042,213 : 1,416,089,531.70 = 649,733,147.40 : x
  2. Step 2: Convert to fraction form
    1,026,042,213/1,416,089,531.70 = 649,733,147.40/x
  3. Step 3: Cross multiply
    1,026,042,213x = 1,416,089,531.70 × 649,733,147.40
  4. Step 4: Simplify right side
    1,026,042,213x = 920,080,308,431,633,024
  5. Step 5: Solve for x
    x = 920,080,308,431,633,024/1,026,042,213
  6. Step 6: Final answer
    x = 896,727,538.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.