Finding the Fourth Proportional to 537,419,953.92, 741,615,681.12 and 299,277,421.84
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Solution
The fourth proportional to 537,419,953.92, 741,615,681.12 and 299,277,421.84 is: 412,989,557.65
Step by Step Solution
- Step 1: Write the proportion equation
537,419,953.92 : 741,615,681.12 = 299,277,421.84 : x - Step 2: Convert to fraction form
537,419,953.92/741,615,681.12 = 299,277,421.84/x - Step 3: Cross multiply
537,419,953.92x = 741,615,681.12 × 299,277,421.84 - Step 4: Simplify right side
537,419,953.92x = 221,948,829,041,709,152 - Step 5: Solve for x
x = 221,948,829,041,709,152/537,419,953.92 - Step 6: Final answer
x = 412,989,557.65
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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.