Finding the Fourth Proportional to 564,641,099.68, 778,963,014.58 and 352,579,773.06
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Solution
The fourth proportional to 564,641,099.68, 778,963,014.58 and 352,579,773.06 is: 486,409,159.83
Step by Step Solution
- Step 1: Write the proportion equation
564,641,099.68 : 778,963,014.58 = 352,579,773.06 : x - Step 2: Convert to fraction form
564,641,099.68/778,963,014.58 = 352,579,773.06/x - Step 3: Cross multiply
564,641,099.68x = 778,963,014.58 × 352,579,773.06 - Step 4: Simplify right side
564,641,099.68x = 274,646,602,902,749,888 - Step 5: Solve for x
x = 274,646,602,902,749,888/564,641,099.68 - Step 6: Final answer
x = 486,409,159.83
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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.