Finding the Fourth Proportional to 584,947,403.05, 877,421,051.30 and 257,422,916.07
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Solution
The fourth proportional to 584,947,403.05, 877,421,051.30 and 257,422,916.07 is: 386,134,350.66
Step by Step Solution
- Step 1: Write the proportion equation
584,947,403.05 : 877,421,051.30 = 257,422,916.07 : x - Step 2: Convert to fraction form
584,947,403.05/877,421,051.30 = 257,422,916.07/x - Step 3: Cross multiply
584,947,403.05x = 877,421,051.30 × 257,422,916.07 - Step 4: Simplify right side
584,947,403.05x = 225,868,285,646,851,040 - Step 5: Solve for x
x = 225,868,285,646,851,040/584,947,403.05 - Step 6: Final answer
x = 386,134,350.66
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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.