Finding the Fourth Proportional to 5,402,610,318.83, 7,455,835,252.80 and 2,991,292,790.63
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Solution
The fourth proportional to 5,402,610,318.83, 7,455,835,252.80 and 2,991,292,790.63 is: 4,128,113,064.55
Step by Step Solution
- Step 1: Write the proportion equation
5,402,610,318.83 : 7,455,835,252.80 = 2,991,292,790.63 : x - Step 2: Convert to fraction form
5,402,610,318.83/7,455,835,252.80 = 2,991,292,790.63/x - Step 3: Cross multiply
5,402,610,318.83x = 7,455,835,252.80 × 2,991,292,790.63 - Step 4: Simplify right side
5,402,610,318.83x = 22,302,586,239,788,363,776 - Step 5: Solve for x
x = 22,302,586,239,788,363,776/5,402,610,318.83 - Step 6: Final answer
x = 4,128,113,064.55
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1.5x scale
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.