Finding the Fourth Proportional to 2,137,850,746.84, 3,205,989,574.98 and 738,478,929.88
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Solution
The fourth proportional to 2,137,850,746.84, 3,205,989,574.98 and 738,478,929.88 is: 1,107,446,698.06
Step by Step Solution
- Step 1: Write the proportion equation
2,137,850,746.84 : 3,205,989,574.98 = 738,478,929.88 : x - Step 2: Convert to fraction form
2,137,850,746.84/3,205,989,574.98 = 738,478,929.88/x - Step 3: Cross multiply
2,137,850,746.84x = 3,205,989,574.98 × 738,478,929.88 - Step 4: Simplify right side
2,137,850,746.84x = 2,367,555,750,537,666,560 - Step 5: Solve for x
x = 2,367,555,750,537,666,560/2,137,850,746.84 - Step 6: Final answer
x = 1,107,446,698.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.