Finding the Fourth Proportional to 426,909,462,278.19, 640,341,640,184.30 and 140,029,729,919.61
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Solution
The fourth proportional to 426,909,462,278.19, 640,341,640,184.30 and 140,029,729,919.61 is: 210,037,197,237.99
Step by Step Solution
- Step 1: Write the proportion equation
426,909,462,278.19 : 640,341,640,184.30 = 140,029,729,919.61 : x - Step 2: Convert to fraction form
426,909,462,278.19/640,341,640,184.30 = 140,029,729,919.61/x - Step 3: Cross multiply
426,909,462,278.19x = 640,341,640,184.30 × 140,029,729,919.61 - Step 4: Simplify right side
426,909,462,278.19x = 89,666,866,931,287,619,272,704 - Step 5: Solve for x
x = 89,666,866,931,287,619,272,704/426,909,462,278.19 - Step 6: Final answer
x = 210,037,197,237.99
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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.