Finding the Fourth Proportional to 537,101,477.21, 740,928,727.68 and 313,937,360.66
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Solution
The fourth proportional to 537,101,477.21, 740,928,727.68 and 313,937,360.66 is: 433,074,975.73
Step by Step Solution
- Step 1: Write the proportion equation
537,101,477.21 : 740,928,727.68 = 313,937,360.66 : x - Step 2: Convert to fraction form
537,101,477.21/740,928,727.68 = 313,937,360.66/x - Step 3: Cross multiply
537,101,477.21x = 740,928,727.68 × 313,937,360.66 - Step 4: Simplify right side
537,101,477.21x = 232,605,209,205,706,144 - Step 5: Solve for x
x = 232,605,209,205,706,144/537,101,477.21 - Step 6: Final answer
x = 433,074,975.73
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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.