Finding the Fourth Proportional to 1,237,298,315.70, 1,855,947,473.55 and 1,077,487,364.00
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Solution
The fourth proportional to 1,237,298,315.70, 1,855,947,473.55 and 1,077,487,364.00 is: 1,616,231,045.99
Step by Step Solution
- Step 1: Write the proportion equation
1,237,298,315.70 : 1,855,947,473.55 = 1,077,487,364.00 : x - Step 2: Convert to fraction form
1,237,298,315.70/1,855,947,473.55 = 1,077,487,364.00/x - Step 3: Cross multiply
1,237,298,315.70x = 1,855,947,473.55 × 1,077,487,364.00 - Step 4: Simplify right side
1,237,298,315.70x = 1,999,759,950,988,569,344 - Step 5: Solve for x
x = 1,999,759,950,988,569,344/1,237,298,315.70 - Step 6: Final answer
x = 1,616,231,045.99
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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.