Finding the Fourth Proportional to 1,787,133,747,807.40, 2,680,682,955,931.20 and 818,767,509,068.64
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Solution
The fourth proportional to 1,787,133,747,807.40, 2,680,682,955,931.20 and 818,767,509,068.64 is: 1,228,143,170,103.17
Step by Step Solution
- Step 1: Write the proportion equation
1,787,133,747,807.40 : 2,680,682,955,931.20 = 818,767,509,068.64 : x - Step 2: Convert to fraction form
1,787,133,747,807.40/2,680,682,955,931.20 = 818,767,509,068.64/x - Step 3: Cross multiply
1,787,133,747,807.40x = 2,680,682,955,931.20 × 818,767,509,068.64 - Step 4: Simplify right side
1,787,133,747,807.40x = 2,194,856,106,430,547,791,708,160 - Step 5: Solve for x
x = 2,194,856,106,430,547,791,708,160/1,787,133,747,807.40 - Step 6: Final answer
x = 1,228,143,170,103.17
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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.