Finding the Fourth Proportional to 3,557,547,964.69, 4,909,416,656.64 and 1,971,742,303.18
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Solution
The fourth proportional to 3,557,547,964.69, 4,909,416,656.64 and 1,971,742,303.18 is: 2,721,004,636.31
Step by Step Solution
- Step 1: Write the proportion equation
3,557,547,964.69 : 4,909,416,656.64 = 1,971,742,303.18 : x - Step 2: Convert to fraction form
3,557,547,964.69/4,909,416,656.64 = 1,971,742,303.18/x - Step 3: Cross multiply
3,557,547,964.69x = 4,909,416,656.64 × 1,971,742,303.18 - Step 4: Simplify right side
3,557,547,964.69x = 9,680,104,505,821,335,552 - Step 5: Solve for x
x = 9,680,104,505,821,335,552/3,557,547,964.69 - Step 6: Final answer
x = 2,721,004,636.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.