Finding the Fourth Proportional to 553,566,599.84, 763,937,854.80 and 306,063,932.96
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Solution
The fourth proportional to 553,566,599.84, 763,937,854.80 and 306,063,932.96 is: 422,377,044.51
Step by Step Solution
- Step 1: Write the proportion equation
553,566,599.84 : 763,937,854.80 = 306,063,932.96 : x - Step 2: Convert to fraction form
553,566,599.84/763,937,854.80 = 306,063,932.96/x - Step 3: Cross multiply
553,566,599.84x = 763,937,854.80 × 306,063,932.96 - Step 4: Simplify right side
553,566,599.84x = 233,813,824,377,113,376 - Step 5: Solve for x
x = 233,813,824,377,113,376/553,566,599.84 - Step 6: Final answer
x = 422,377,044.51
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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.