Finding the Fourth Proportional to 429,596,379.40, 644,487,881.10 and 156,966,709
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Solution
The fourth proportional to 429,596,379.40, 644,487,881.10 and 156,966,709 is: 235,484,158.01
Step by Step Solution
- Step 1: Write the proportion equation
429,596,379.40 : 644,487,881.10 = 156,966,709 : x - Step 2: Convert to fraction form
429,596,379.40/644,487,881.10 = 156,966,709/x - Step 3: Cross multiply
429,596,379.40x = 644,487,881.10 × 156,966,709 - Step 4: Simplify right side
429,596,379.40x = 101,163,141,686,650,304 - Step 5: Solve for x
x = 101,163,141,686,650,304/429,596,379.40 - Step 6: Final answer
x = 235,484,158.01
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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.