Finding the Fourth Proportional to 724,286,936.09, 999,540,088.09 and 406,803,044.48
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Solution
The fourth proportional to 724,286,936.09, 999,540,088.09 and 406,803,044.48 is: 561,401,746.53
Step by Step Solution
- Step 1: Write the proportion equation
724,286,936.09 : 999,540,088.09 = 406,803,044.48 : x - Step 2: Convert to fraction form
724,286,936.09/999,540,088.09 = 406,803,044.48/x - Step 3: Cross multiply
724,286,936.09x = 999,540,088.09 × 406,803,044.48 - Step 4: Simplify right side
724,286,936.09x = 406,615,950,908,804,672 - Step 5: Solve for x
x = 406,615,950,908,804,672/724,286,936.09 - Step 6: Final answer
x = 561,401,746.53
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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.