Finding the Fourth Proportional to 4,347,552,209.20, 6,516,226,480.20 and 1,860,408,329.20
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Solution
The fourth proportional to 4,347,552,209.20, 6,516,226,480.20 and 1,860,408,329.20 is: 2,788,429,312.72
Step by Step Solution
- Step 1: Write the proportion equation
4,347,552,209.20 : 6,516,226,480.20 = 1,860,408,329.20 : x - Step 2: Convert to fraction form
4,347,552,209.20/6,516,226,480.20 = 1,860,408,329.20/x - Step 3: Cross multiply
4,347,552,209.20x = 6,516,226,480.20 × 1,860,408,329.20 - Step 4: Simplify right side
4,347,552,209.20x = 12,122,842,018,717,679,616 - Step 5: Solve for x
x = 12,122,842,018,717,679,616/4,347,552,209.20 - Step 6: Final answer
x = 2,788,429,312.72
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1.5x scale
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.