Finding the Fourth Proportional to 1,125,252,908.61, 1,552,828,460.97 and 623,459,861.99
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Solution
The fourth proportional to 1,125,252,908.61, 1,552,828,460.97 and 623,459,861.99 is: 860,363,221.96
Step by Step Solution
- Step 1: Write the proportion equation
1,125,252,908.61 : 1,552,828,460.97 = 623,459,861.99 : x - Step 2: Convert to fraction form
1,125,252,908.61/1,552,828,460.97 = 623,459,861.99/x - Step 3: Cross multiply
1,125,252,908.61x = 1,552,828,460.97 × 623,459,861.99 - Step 4: Simplify right side
1,125,252,908.61x = 968,126,217,970,500,352 - Step 5: Solve for x
x = 968,126,217,970,500,352/1,125,252,908.61 - Step 6: Final answer
x = 860,363,221.96
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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.