Finding the Fourth Proportional to 875,660,473.98, 1,208,411,332.92 and 479,183,358.44
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Solution
The fourth proportional to 875,660,473.98, 1,208,411,332.92 and 479,183,358.44 is: 661,272,968.34
Step by Step Solution
- Step 1: Write the proportion equation
875,660,473.98 : 1,208,411,332.92 = 479,183,358.44 : x - Step 2: Convert to fraction form
875,660,473.98/1,208,411,332.92 = 479,183,358.44/x - Step 3: Cross multiply
875,660,473.98x = 1,208,411,332.92 × 479,183,358.44 - Step 4: Simplify right side
875,660,473.98x = 579,050,600,888,583,552 - Step 5: Solve for x
x = 579,050,600,888,583,552/875,660,473.98 - Step 6: Final answer
x = 661,272,968.34
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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.