Finding the Fourth Proportional to 468,477,855.59, 698,528,467.01 and 455,606,717.91
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Solution
The fourth proportional to 468,477,855.59, 698,528,467.01 and 455,606,717.91 is: 679,336,831.88
Step by Step Solution
- Step 1: Write the proportion equation
468,477,855.59 : 698,528,467.01 = 455,606,717.91 : x - Step 2: Convert to fraction form
468,477,855.59/698,528,467.01 = 455,606,717.91/x - Step 3: Cross multiply
468,477,855.59x = 698,528,467.01 × 455,606,717.91 - Step 4: Simplify right side
468,477,855.59x = 318,254,262,218,851,776 - Step 5: Solve for x
x = 318,254,262,218,851,776/468,477,855.59 - Step 6: Final answer
x = 679,336,831.88
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.