Finding the Fourth Proportional to 562,139,087.19, 775,776,182.70 and 311,243,483.80
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Solution
The fourth proportional to 562,139,087.19, 775,776,182.70 and 311,243,483.80 is: 429,529,430.09
Step by Step Solution
- Step 1: Write the proportion equation
562,139,087.19 : 775,776,182.70 = 311,243,483.80 : x - Step 2: Convert to fraction form
562,139,087.19/775,776,182.70 = 311,243,483.80/x - Step 3: Cross multiply
562,139,087.19x = 775,776,182.70 × 311,243,483.80 - Step 4: Simplify right side
562,139,087.19x = 241,455,281,752,613,312 - Step 5: Solve for x
x = 241,455,281,752,613,312/562,139,087.19 - Step 6: Final answer
x = 429,529,430.09
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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.