Finding the Fourth Proportional to 569,528,178,135.95, 785,949,664,126.95 and 309,105,891,319.95
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Solution
The fourth proportional to 569,528,178,135.95, 785,949,664,126.95 and 309,105,891,319.95 is: 426,566,552,435.94
Step by Step Solution
- Step 1: Write the proportion equation
569,528,178,135.95 : 785,949,664,126.95 = 309,105,891,319.95 : x - Step 2: Convert to fraction form
569,528,178,135.95/785,949,664,126.95 = 309,105,891,319.95/x - Step 3: Cross multiply
569,528,178,135.95x = 785,949,664,126.95 × 309,105,891,319.95 - Step 4: Simplify right side
569,528,178,135.95x = 242,941,671,462,576,196,681,728 - Step 5: Solve for x
x = 242,941,671,462,576,196,681,728/569,528,178,135.95 - Step 6: Final answer
x = 426,566,552,435.94
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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.