Finding the Fourth Proportional to 776,446,768.19, 1,165,248,586.44 and 569,719,368.47
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Solution
The fourth proportional to 776,446,768.19, 1,165,248,586.44 and 569,719,368.47 is: 855,003,479.92
Step by Step Solution
- Step 1: Write the proportion equation
776,446,768.19 : 1,165,248,586.44 = 569,719,368.47 : x - Step 2: Convert to fraction form
776,446,768.19/1,165,248,586.44 = 569,719,368.47/x - Step 3: Cross multiply
776,446,768.19x = 1,165,248,586.44 × 569,719,368.47 - Step 4: Simplify right side
776,446,768.19x = 663,864,688,771,330,816 - Step 5: Solve for x
x = 663,864,688,771,330,816/776,446,768.19 - Step 6: Final answer
x = 855,003,479.92
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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.