Finding the Fourth Proportional to 897,513,177.12, 1,346,696,120.52 and 621,589,009.92
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Solution
The fourth proportional to 897,513,177.12, 1,346,696,120.52 and 621,589,009.92 is: 932,678,794.65
Step by Step Solution
- Step 1: Write the proportion equation
897,513,177.12 : 1,346,696,120.52 = 621,589,009.92 : x - Step 2: Convert to fraction form
897,513,177.12/1,346,696,120.52 = 621,589,009.92/x - Step 3: Cross multiply
897,513,177.12x = 1,346,696,120.52 × 621,589,009.92 - Step 4: Simplify right side
897,513,177.12x = 837,091,508,217,131,776 - Step 5: Solve for x
x = 837,091,508,217,131,776/897,513,177.12 - Step 6: Final answer
x = 932,678,794.65
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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.