Finding the Fourth Proportional to 2,390,845,320.96, 3,582,896,800 and 1,128,963,024.64
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Solution
The fourth proportional to 2,390,845,320.96, 3,582,896,800 and 1,128,963,024.64 is: 1,691,852,656.82
Step by Step Solution
- Step 1: Write the proportion equation
2,390,845,320.96 : 3,582,896,800 = 1,128,963,024.64 : x - Step 2: Convert to fraction form
2,390,845,320.96/3,582,896,800 = 1,128,963,024.64/x - Step 3: Cross multiply
2,390,845,320.96x = 3,582,896,800 × 1,128,963,024.64 - Step 4: Simplify right side
2,390,845,320.96x = 4,044,958,008,300,977,664 - Step 5: Solve for x
x = 4,044,958,008,300,977,664/2,390,845,320.96 - Step 6: Final answer
x = 1,691,852,656.82
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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.