Finding the Fourth Proportional to 5,778,717,834.24, 7,974,671,425.92 and 3,138,518,946.24
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Solution
The fourth proportional to 5,778,717,834.24, 7,974,671,425.92 and 3,138,518,946.24 is: 4,331,178,312.94
Step by Step Solution
- Step 1: Write the proportion equation
5,778,717,834.24 : 7,974,671,425.92 = 3,138,518,946.24 : x - Step 2: Convert to fraction form
5,778,717,834.24/7,974,671,425.92 = 3,138,518,946.24/x - Step 3: Cross multiply
5,778,717,834.24x = 7,974,671,425.92 × 3,138,518,946.24 - Step 4: Simplify right side
5,778,717,834.24x = 25,028,657,360,288,673,792 - Step 5: Solve for x
x = 25,028,657,360,288,673,792/5,778,717,834.24 - Step 6: Final answer
x = 4,331,178,312.94
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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.