Finding the Fourth Proportional to 497,110,233.60, 745,545,772.80 and 254,648,332.80
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Solution
The fourth proportional to 497,110,233.60, 745,545,772.80 and 254,648,332.80 is: 381,911,244.70
Step by Step Solution
- Step 1: Write the proportion equation
497,110,233.60 : 745,545,772.80 = 254,648,332.80 : x - Step 2: Convert to fraction form
497,110,233.60/745,545,772.80 = 254,648,332.80/x - Step 3: Cross multiply
497,110,233.60x = 745,545,772.80 × 254,648,332.80 - Step 4: Simplify right side
497,110,233.60x = 189,851,988,069,607,584 - Step 5: Solve for x
x = 189,851,988,069,607,584/497,110,233.60 - Step 6: Final answer
x = 381,911,244.70
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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.