Finding the Fourth Proportional to 1,230,394,297.06, 1,845,435,769.90 and 390,045,140.76
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Solution
The fourth proportional to 1,230,394,297.06, 1,845,435,769.90 and 390,045,140.76 is: 585,018,360.66
Step by Step Solution
- Step 1: Write the proportion equation
1,230,394,297.06 : 1,845,435,769.90 = 390,045,140.76 : x - Step 2: Convert to fraction form
1,230,394,297.06/1,845,435,769.90 = 390,045,140.76/x - Step 3: Cross multiply
1,230,394,297.06x = 1,845,435,769.90 × 390,045,140.76 - Step 4: Simplify right side
1,230,394,297.06x = 719,803,254,634,184,448 - Step 5: Solve for x
x = 719,803,254,634,184,448/1,230,394,297.06 - Step 6: Final answer
x = 585,018,360.66
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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.