Finding the Fourth Proportional to 636,898,751.16, 879,191,464.86 and 428,175,951
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Solution
The fourth proportional to 636,898,751.16, 879,191,464.86 and 428,175,951 is: 591,065,127.53
Step by Step Solution
- Step 1: Write the proportion equation
636,898,751.16 : 879,191,464.86 = 428,175,951 : x - Step 2: Convert to fraction form
636,898,751.16/879,191,464.86 = 428,175,951/x - Step 3: Cross multiply
636,898,751.16x = 879,191,464.86 × 428,175,951 - Step 4: Simplify right side
636,898,751.16x = 376,448,641,577,513,600 - Step 5: Solve for x
x = 376,448,641,577,513,600/636,898,751.16 - Step 6: Final answer
x = 591,065,127.53
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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.