Finding the Fourth Proportional to 855,199,239.08, 1,180,178,186.82 and 464,058,663.08
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Solution
The fourth proportional to 855,199,239.08, 1,180,178,186.82 and 464,058,663.08 is: 640,402,711.49
Step by Step Solution
- Step 1: Write the proportion equation
855,199,239.08 : 1,180,178,186.82 = 464,058,663.08 : x - Step 2: Convert to fraction form
855,199,239.08/1,180,178,186.82 = 464,058,663.08/x - Step 3: Cross multiply
855,199,239.08x = 1,180,178,186.82 × 464,058,663.08 - Step 4: Simplify right side
855,199,239.08x = 547,671,911,571,867,648 - Step 5: Solve for x
x = 547,671,911,571,867,648/855,199,239.08 - Step 6: Final answer
x = 640,402,711.49
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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.