Finding the Fourth Proportional to 1,089,645,045.84, 1,503,742,148.28 and 594,639,699.12
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Solution
The fourth proportional to 1,089,645,045.84, 1,503,742,148.28 and 594,639,699.12 is: 820,620,239.61
Step by Step Solution
- Step 1: Write the proportion equation
1,089,645,045.84 : 1,503,742,148.28 = 594,639,699.12 : x - Step 2: Convert to fraction form
1,089,645,045.84/1,503,742,148.28 = 594,639,699.12/x - Step 3: Cross multiply
1,089,645,045.84x = 1,503,742,148.28 × 594,639,699.12 - Step 4: Simplify right side
1,089,645,045.84x = 894,184,778,607,281,664 - Step 5: Solve for x
x = 894,184,778,607,281,664/1,089,645,045.84 - Step 6: Final answer
x = 820,620,239.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.