Finding the Fourth Proportional to 1,235,778,699.83, 1,703,751,837.30 and 891,772,184.41
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Solution
The fourth proportional to 1,235,778,699.83, 1,703,751,837.30 and 891,772,184.41 is: 1,229,474,579.75
Step by Step Solution
- Step 1: Write the proportion equation
1,235,778,699.83 : 1,703,751,837.30 = 891,772,184.41 : x - Step 2: Convert to fraction form
1,235,778,699.83/1,703,751,837.30 = 891,772,184.41/x - Step 3: Cross multiply
1,235,778,699.83x = 1,703,751,837.30 × 891,772,184.41 - Step 4: Simplify right side
1,235,778,699.83x = 1,519,358,497,637,312,512 - Step 5: Solve for x
x = 1,519,358,497,637,312,512/1,235,778,699.83 - Step 6: Final answer
x = 1,229,474,579.75
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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.