Finding the Fourth Proportional to 408,201,560.91, 563,547,387.56 and 282,935,799.63
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Solution
The fourth proportional to 408,201,560.91, 563,547,387.56 and 282,935,799.63 is: 390,610,291.57
Step by Step Solution
- Step 1: Write the proportion equation
408,201,560.91 : 563,547,387.56 = 282,935,799.63 : x - Step 2: Convert to fraction form
408,201,560.91/563,547,387.56 = 282,935,799.63/x - Step 3: Cross multiply
408,201,560.91x = 563,547,387.56 × 282,935,799.63 - Step 4: Simplify right side
408,201,560.91x = 159,447,730,727,271,424 - Step 5: Solve for x
x = 159,447,730,727,271,424/408,201,560.91 - Step 6: Final answer
x = 390,610,291.57
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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.