Finding the Fourth Proportional to 4,125,243,415.80, 6,187,865,123.70 and 1,402,026,007.80
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Solution
The fourth proportional to 4,125,243,415.80, 6,187,865,123.70 and 1,402,026,007.80 is: 2,103,039,011.70
Step by Step Solution
- Step 1: Write the proportion equation
4,125,243,415.80 : 6,187,865,123.70 = 1,402,026,007.80 : x - Step 2: Convert to fraction form
4,125,243,415.80/6,187,865,123.70 = 1,402,026,007.80/x - Step 3: Cross multiply
4,125,243,415.80x = 6,187,865,123.70 × 1,402,026,007.80 - Step 4: Simplify right side
4,125,243,415.80x = 8,675,547,836,185,963,520 - Step 5: Solve for x
x = 8,675,547,836,185,963,520/4,125,243,415.80 - Step 6: Final answer
x = 2,103,039,011.70
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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.