Finding the Fourth Proportional to 4,770,326,973.65, 7,158,758,987.95 and 1,664,909,615.75
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Solution
The fourth proportional to 4,770,326,973.65, 7,158,758,987.95 and 1,664,909,615.75 is: 2,498,505,184.59
Step by Step Solution
- Step 1: Write the proportion equation
4,770,326,973.65 : 7,158,758,987.95 = 1,664,909,615.75 : x - Step 2: Convert to fraction form
4,770,326,973.65/7,158,758,987.95 = 1,664,909,615.75/x - Step 3: Cross multiply
4,770,326,973.65x = 7,158,758,987.95 × 1,664,909,615.75 - Step 4: Simplify right side
4,770,326,973.65x = 11,918,686,675,834,736,640 - Step 5: Solve for x
x = 11,918,686,675,834,736,640/4,770,326,973.65 - Step 6: Final answer
x = 2,498,505,184.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.