Finding the Fourth Proportional to 671,126,756.87, 1,006,628,021.99 and 316,519,730.30
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Solution
The fourth proportional to 671,126,756.87, 1,006,628,021.99 and 316,519,730.30 is: 474,750,301.31
Step by Step Solution
- Step 1: Write the proportion equation
671,126,756.87 : 1,006,628,021.99 = 316,519,730.30 : x - Step 2: Convert to fraction form
671,126,756.87/1,006,628,021.99 = 316,519,730.30/x - Step 3: Cross multiply
671,126,756.87x = 1,006,628,021.99 × 316,519,730.30 - Step 4: Simplify right side
671,126,756.87x = 318,617,630,038,025,920 - Step 5: Solve for x
x = 318,617,630,038,025,920/671,126,756.87 - Step 6: Final answer
x = 474,750,301.31
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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.