Finding the Fourth Proportional to 514,891,637.80, 772,337,456.70 and 412,854,965.80
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Solution
The fourth proportional to 514,891,637.80, 772,337,456.70 and 412,854,965.80 is: 619,282,448.70
Step by Step Solution
- Step 1: Write the proportion equation
514,891,637.80 : 772,337,456.70 = 412,854,965.80 : x - Step 2: Convert to fraction form
514,891,637.80/772,337,456.70 = 412,854,965.80/x - Step 3: Cross multiply
514,891,637.80x = 772,337,456.70 × 412,854,965.80 - Step 4: Simplify right side
514,891,637.80x = 318,863,354,271,937,536 - Step 5: Solve for x
x = 318,863,354,271,937,536/514,891,637.80 - Step 6: Final answer
x = 619,282,448.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.