Finding the Fourth Proportional to 581,926,972.19, 873,005,448.02 and 213,465,345.62
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Solution
The fourth proportional to 581,926,972.19, 873,005,448.02 and 213,465,345.62 is: 320,240,199.53
Step by Step Solution
- Step 1: Write the proportion equation
581,926,972.19 : 873,005,448.02 = 213,465,345.62 : x - Step 2: Convert to fraction form
581,926,972.19/873,005,448.02 = 213,465,345.62/x - Step 3: Cross multiply
581,926,972.19x = 873,005,448.02 × 213,465,345.62 - Step 4: Simplify right side
581,926,972.19x = 186,356,409,684,299,904 - Step 5: Solve for x
x = 186,356,409,684,299,904/581,926,972.19 - Step 6: Final answer
x = 320,240,199.53
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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.