Finding the Fourth Proportional to 756,337,895.74, 1,043,746,298.13 and 408,657,383.74
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Solution
The fourth proportional to 756,337,895.74, 1,043,746,298.13 and 408,657,383.74 is: 563,947,190.65
Step by Step Solution
- Step 1: Write the proportion equation
756,337,895.74 : 1,043,746,298.13 = 408,657,383.74 : x - Step 2: Convert to fraction form
756,337,895.74/1,043,746,298.13 = 408,657,383.74/x - Step 3: Cross multiply
756,337,895.74x = 1,043,746,298.13 × 408,657,383.74 - Step 4: Simplify right side
756,337,895.74x = 426,534,631,482,115,840 - Step 5: Solve for x
x = 426,534,631,482,115,840/756,337,895.74 - Step 6: Final answer
x = 563,947,190.65
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1.5x scale
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.