Finding the Fourth Proportional to 7,749,537,904.58, 10,697,668,018.29 and 5,210,691,457.28
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Solution
The fourth proportional to 7,749,537,904.58, 10,697,668,018.29 and 5,210,691,457.28 is: 7,192,976,928.70
Step by Step Solution
- Step 1: Write the proportion equation
7,749,537,904.58 : 10,697,668,018.29 = 5,210,691,457.28 : x - Step 2: Convert to fraction form
7,749,537,904.58/10,697,668,018.29 = 5,210,691,457.28/x - Step 3: Cross multiply
7,749,537,904.58x = 10,697,668,018.29 × 5,210,691,457.28 - Step 4: Simplify right side
7,749,537,904.58x = 55,742,247,355,667,685,376 - Step 5: Solve for x
x = 55,742,247,355,667,685,376/7,749,537,904.58 - Step 6: Final answer
x = 7,192,976,928.70
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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.