Finding the Fourth Proportional to 423,873,943.35, 584,946,526.77 and 235,698,197.02
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Solution
The fourth proportional to 423,873,943.35, 584,946,526.77 and 235,698,197.02 is: 325,263,781.54
Step by Step Solution
- Step 1: Write the proportion equation
423,873,943.35 : 584,946,526.77 = 235,698,197.02 : x - Step 2: Convert to fraction form
423,873,943.35/584,946,526.77 = 235,698,197.02/x - Step 3: Cross multiply
423,873,943.35x = 584,946,526.77 × 235,698,197.02 - Step 4: Simplify right side
423,873,943.35x = 137,870,841,712,501,872 - Step 5: Solve for x
x = 137,870,841,712,501,872/423,873,943.35 - Step 6: Final answer
x = 325,263,781.54
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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.