Finding the Fourth Proportional to 1,303,523,938.26, 1,798,872,389.64 and 708,804,159.84
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Solution
The fourth proportional to 1,303,523,938.26, 1,798,872,389.64 and 708,804,159.84 is: 978,154,827.37
Step by Step Solution
- Step 1: Write the proportion equation
1,303,523,938.26 : 1,798,872,389.64 = 708,804,159.84 : x - Step 2: Convert to fraction form
1,303,523,938.26/1,798,872,389.64 = 708,804,159.84/x - Step 3: Cross multiply
1,303,523,938.26x = 1,798,872,389.64 × 708,804,159.84 - Step 4: Simplify right side
1,303,523,938.26x = 1,275,048,232,798,153,472 - Step 5: Solve for x
x = 1,275,048,232,798,153,472/1,303,523,938.26 - Step 6: Final answer
x = 978,154,827.37
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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.