Finding the Fourth Proportional to 7,130,292,569.40, 10,695,911,246.10 and 1,889,827,663.80
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Solution
The fourth proportional to 7,130,292,569.40, 10,695,911,246.10 and 1,889,827,663.80 is: 2,834,866,699.46
Step by Step Solution
- Step 1: Write the proportion equation
7,130,292,569.40 : 10,695,911,246.10 = 1,889,827,663.80 : x - Step 2: Convert to fraction form
7,130,292,569.40/10,695,911,246.10 = 1,889,827,663.80/x - Step 3: Cross multiply
7,130,292,569.40x = 10,695,911,246.10 × 1,889,827,663.80 - Step 4: Simplify right side
7,130,292,569.40x = 20,213,428,962,429,308,928 - Step 5: Solve for x
x = 20,213,428,962,429,308,928/7,130,292,569.40 - Step 6: Final answer
x = 2,834,866,699.46
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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.