Finding the Fourth Proportional to 1,780,758,312.48, 2,671,137,551.79 and 1,219,967,154.66
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Solution
The fourth proportional to 1,780,758,312.48, 2,671,137,551.79 and 1,219,967,154.66 is: 1,829,950,788.90
Step by Step Solution
- Step 1: Write the proportion equation
1,780,758,312.48 : 2,671,137,551.79 = 1,219,967,154.66 : x - Step 2: Convert to fraction form
1,780,758,312.48/2,671,137,551.79 = 1,219,967,154.66/x - Step 3: Cross multiply
1,780,758,312.48x = 2,671,137,551.79 × 1,219,967,154.66 - Step 4: Simplify right side
1,780,758,312.48x = 3,258,700,078,762,724,864 - Step 5: Solve for x
x = 3,258,700,078,762,724,864/1,780,758,312.48 - Step 6: Final answer
x = 1,829,950,788.90
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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.