Finding the Fourth Proportional to 1,113,845,818.28, 1,670,769,036.84 and 414,246,545.96
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Solution
The fourth proportional to 1,113,845,818.28, 1,670,769,036.84 and 414,246,545.96 is: 621,369,934.02
Step by Step Solution
- Step 1: Write the proportion equation
1,113,845,818.28 : 1,670,769,036.84 = 414,246,545.96 : x - Step 2: Convert to fraction form
1,113,845,818.28/1,670,769,036.84 = 414,246,545.96/x - Step 3: Cross multiply
1,113,845,818.28x = 1,670,769,036.84 × 414,246,545.96 - Step 4: Simplify right side
1,113,845,818.28x = 692,110,302,607,885,952 - Step 5: Solve for x
x = 692,110,302,607,885,952/1,113,845,818.28 - Step 6: Final answer
x = 621,369,934.02
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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.