Finding the Fourth Proportional to 870,822,658.77, 1,306,309,231.06 and 240,554,495.99
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Solution
The fourth proportional to 870,822,658.77, 1,306,309,231.06 and 240,554,495.99 is: 360,852,528.95
Step by Step Solution
- Step 1: Write the proportion equation
870,822,658.77 : 1,306,309,231.06 = 240,554,495.99 : x - Step 2: Convert to fraction form
870,822,658.77/1,306,309,231.06 = 240,554,495.99/x - Step 3: Cross multiply
870,822,658.77x = 1,306,309,231.06 × 240,554,495.99 - Step 4: Simplify right side
870,822,658.77x = 314,238,558,687,387,136 - Step 5: Solve for x
x = 314,238,558,687,387,136/870,822,658.77 - Step 6: Final answer
x = 360,852,528.95
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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.