Finding the Fourth Proportional to 689,548,105.02, 951,596,482.11 and 376,302,496.71
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Solution
The fourth proportional to 689,548,105.02, 951,596,482.11 and 376,302,496.71 is: 519,308,412.96
Step by Step Solution
- Step 1: Write the proportion equation
689,548,105.02 : 951,596,482.11 = 376,302,496.71 : x - Step 2: Convert to fraction form
689,548,105.02/951,596,482.11 = 376,302,496.71/x - Step 3: Cross multiply
689,548,105.02x = 951,596,482.11 × 376,302,496.71 - Step 4: Simplify right side
689,548,105.02x = 358,088,132,078,445,824 - Step 5: Solve for x
x = 358,088,132,078,445,824/689,548,105.02 - Step 6: Final answer
x = 519,308,412.96
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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.