Finding the Fourth Proportional to 1,354,157,675.74, 1,868,941,855.74 and 825,828,138.64
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Solution
The fourth proportional to 1,354,157,675.74, 1,868,941,855.74 and 825,828,138.64 is: 1,139,767,400.51
Step by Step Solution
- Step 1: Write the proportion equation
1,354,157,675.74 : 1,868,941,855.74 = 825,828,138.64 : x - Step 2: Convert to fraction form
1,354,157,675.74/1,868,941,855.74 = 825,828,138.64/x - Step 3: Cross multiply
1,354,157,675.74x = 1,868,941,855.74 × 825,828,138.64 - Step 4: Simplify right side
1,354,157,675.74x = 1,543,424,773,952,151,552 - Step 5: Solve for x
x = 1,543,424,773,952,151,552/1,354,157,675.74 - Step 6: Final answer
x = 1,139,767,400.51
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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.