Finding the Fourth Proportional to 569,528,178,295.99, 785,949,664,347.05 and 309,105,891,479.23
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Solution
The fourth proportional to 569,528,178,295.99, 785,949,664,347.05 and 309,105,891,479.23 is: 426,566,552,655.34
Step by Step Solution
- Step 1: Write the proportion equation
569,528,178,295.99 : 785,949,664,347.05 = 309,105,891,479.23 : x - Step 2: Convert to fraction form
569,528,178,295.99/785,949,664,347.05 = 309,105,891,479.23/x - Step 3: Cross multiply
569,528,178,295.99x = 785,949,664,347.05 × 309,105,891,479.23 - Step 4: Simplify right side
569,528,178,295.99x = 242,941,671,655,796,474,118,144 - Step 5: Solve for x
x = 242,941,671,655,796,474,118,144/569,528,178,295.99 - Step 6: Final answer
x = 426,566,552,655.34
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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.