Finding the Fourth Proportional to 1,327,637,277.81, 1,832,142,156.66 and 732,922,580.19
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Solution
The fourth proportional to 1,327,637,277.81, 1,832,142,156.66 and 732,922,580.19 is: 1,011,434,658.53
Step by Step Solution
- Step 1: Write the proportion equation
1,327,637,277.81 : 1,832,142,156.66 = 732,922,580.19 : x - Step 2: Convert to fraction form
1,327,637,277.81/1,832,142,156.66 = 732,922,580.19/x - Step 3: Cross multiply
1,327,637,277.81x = 1,832,142,156.66 × 732,922,580.19 - Step 4: Simplify right side
1,327,637,277.81x = 1,342,818,356,734,118,656 - Step 5: Solve for x
x = 1,342,818,356,734,118,656/1,327,637,277.81 - Step 6: Final answer
x = 1,011,434,658.53
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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.