Finding the Fourth Proportional to 374,759,389.54, 517,184,119.16 and 207,495,653.95
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Solution
The fourth proportional to 374,759,389.54, 517,184,119.16 and 207,495,653.95 is: 286,352,950.75
Step by Step Solution
- Step 1: Write the proportion equation
374,759,389.54 : 517,184,119.16 = 207,495,653.95 : x - Step 2: Convert to fraction form
374,759,389.54/517,184,119.16 = 207,495,653.95/x - Step 3: Cross multiply
374,759,389.54x = 517,184,119.16 × 207,495,653.95 - Step 4: Simplify right side
374,759,389.54x = 107,313,457,017,658,928 - Step 5: Solve for x
x = 107,313,457,017,658,928/374,759,389.54 - Step 6: Final answer
x = 286,352,950.75
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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.