Finding the Fourth Proportional to 13,291,216,030.92, 18,337,896,130.44 and 7,652,286,898.68
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Solution
The fourth proportional to 13,291,216,030.92, 18,337,896,130.44 and 7,652,286,898.68 is: 10,557,863,327.32
Step by Step Solution
- Step 1: Write the proportion equation
13,291,216,030.92 : 18,337,896,130.44 = 7,652,286,898.68 : x - Step 2: Convert to fraction form
13,291,216,030.92/18,337,896,130.44 = 7,652,286,898.68/x - Step 3: Cross multiply
13,291,216,030.92x = 18,337,896,130.44 × 7,652,286,898.68 - Step 4: Simplify right side
13,291,216,030.92x = 140,326,842,308,320,673,792 - Step 5: Solve for x
x = 140,326,842,308,320,673,792/13,291,216,030.92 - Step 6: Final answer
x = 10,557,863,327.32
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Double scale
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1.5x scale
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.