Finding the Fourth Proportional to 7,772,785,637,765.40, 10,726,781,357,956 and 4,304,404,750,428.90
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Solution
The fourth proportional to 7,772,785,637,765.40, 10,726,781,357,956 and 4,304,404,750,428.90 is: 5,940,265,277,568.12
Step by Step Solution
- Step 1: Write the proportion equation
7,772,785,637,765.40 : 10,726,781,357,956 = 4,304,404,750,428.90 : x - Step 2: Convert to fraction form
7,772,785,637,765.40/10,726,781,357,956 = 4,304,404,750,428.90/x - Step 3: Cross multiply
7,772,785,637,765.40x = 10,726,781,357,956 × 4,304,404,750,428.90 - Step 4: Simplify right side
7,772,785,637,765.40x = 46,172,408,633,997,975,518,969,856 - Step 5: Solve for x
x = 46,172,408,633,997,975,518,969,856/7,772,785,637,765.40 - Step 6: Final answer
x = 5,940,265,277,568.12
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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.