Finding the Fourth Proportional to 897,573,699.99, 1,238,671,306.35 and 495,686,629.92
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Solution
The fourth proportional to 897,573,699.99, 1,238,671,306.35 and 495,686,629.92 is: 684,058,373.63
Step by Step Solution
- Step 1: Write the proportion equation
897,573,699.99 : 1,238,671,306.35 = 495,686,629.92 : x - Step 2: Convert to fraction form
897,573,699.99/1,238,671,306.35 = 495,686,629.92/x - Step 3: Cross multiply
897,573,699.99x = 1,238,671,306.35 × 495,686,629.92 - Step 4: Simplify right side
897,573,699.99x = 613,992,805,427,880,320 - Step 5: Solve for x
x = 613,992,805,427,880,320/897,573,699.99 - Step 6: Final answer
x = 684,058,373.63
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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.