Finding the Fourth Proportional to 456,768,206.07, 630,340,762.10 and 247,924,391.91
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Solution
The fourth proportional to 456,768,206.07, 630,340,762.10 and 247,924,391.91 is: 342,136,006.98
Step by Step Solution
- Step 1: Write the proportion equation
456,768,206.07 : 630,340,762.10 = 247,924,391.91 : x - Step 2: Convert to fraction form
456,768,206.07/630,340,762.10 = 247,924,391.91/x - Step 3: Cross multiply
456,768,206.07x = 630,340,762.10 × 247,924,391.91 - Step 4: Simplify right side
456,768,206.07x = 156,276,850,138,488,864 - Step 5: Solve for x
x = 156,276,850,138,488,864/456,768,206.07 - Step 6: Final answer
x = 342,136,006.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.