Finding the Fourth Proportional to 702,417,189,476.65, 1,053,421,382,676.20 and 272,058,288,011.32
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Solution
The fourth proportional to 702,417,189,476.65, 1,053,421,382,676.20 and 272,058,288,011.32 is: 408,008,263,776.88
Step by Step Solution
- Step 1: Write the proportion equation
702,417,189,476.65 : 1,053,421,382,676.20 = 272,058,288,011.32 : x - Step 2: Convert to fraction form
702,417,189,476.65/1,053,421,382,676.20 = 272,058,288,011.32/x - Step 3: Cross multiply
702,417,189,476.65x = 1,053,421,382,676.20 × 272,058,288,011.32 - Step 4: Simplify right side
702,417,189,476.65x = 286,592,017,925,404,538,961,920 - Step 5: Solve for x
x = 286,592,017,925,404,538,961,920/702,417,189,476.65 - Step 6: Final answer
x = 408,008,263,776.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.