Finding the Fourth Proportional to 907,655,497.70, 1,361,483,246.55 and 778,515,334.70
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Solution
The fourth proportional to 907,655,497.70, 1,361,483,246.55 and 778,515,334.70 is: 1,167,773,002.05
Step by Step Solution
- Step 1: Write the proportion equation
907,655,497.70 : 1,361,483,246.55 = 778,515,334.70 : x - Step 2: Convert to fraction form
907,655,497.70/1,361,483,246.55 = 778,515,334.70/x - Step 3: Cross multiply
907,655,497.70x = 1,361,483,246.55 × 778,515,334.70 - Step 4: Simplify right side
907,655,497.70x = 1,059,935,585,376,315,904 - Step 5: Solve for x
x = 1,059,935,585,376,315,904/907,655,497.70 - Step 6: Final answer
x = 1,167,773,002.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.