Finding the Fourth Proportional to 366,607,630.80, 549,911,446.20 and 319,256,237.70
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Solution
The fourth proportional to 366,607,630.80, 549,911,446.20 and 319,256,237.70 is: 478,884,356.55
Step by Step Solution
- Step 1: Write the proportion equation
366,607,630.80 : 549,911,446.20 = 319,256,237.70 : x - Step 2: Convert to fraction form
366,607,630.80/549,911,446.20 = 319,256,237.70/x - Step 3: Cross multiply
366,607,630.80x = 549,911,446.20 × 319,256,237.70 - Step 4: Simplify right side
366,607,630.80x = 175,562,659,381,977,984 - Step 5: Solve for x
x = 175,562,659,381,977,984/366,607,630.80 - Step 6: Final answer
x = 478,884,356.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.