Finding the Fourth Proportional to 5,742,545,521.84, 7,925,277,757.91 and 3,484,307,812.13
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Solution
The fourth proportional to 5,742,545,521.84, 7,925,277,757.91 and 3,484,307,812.13 is: 4,808,687,558.53
Step by Step Solution
- Step 1: Write the proportion equation
5,742,545,521.84 : 7,925,277,757.91 = 3,484,307,812.13 : x - Step 2: Convert to fraction form
5,742,545,521.84/7,925,277,757.91 = 3,484,307,812.13/x - Step 3: Cross multiply
5,742,545,521.84x = 7,925,277,757.91 × 3,484,307,812.13 - Step 4: Simplify right side
5,742,545,521.84x = 27,614,107,205,160,849,408 - Step 5: Solve for x
x = 27,614,107,205,160,849,408/5,742,545,521.84 - Step 6: Final answer
x = 4,808,687,558.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.