Finding the Fourth Proportional to 1,564,057,263.24, 2,158,400,437.92 and 859,254,901.92
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Solution
The fourth proportional to 1,564,057,263.24, 2,158,400,437.92 and 859,254,901.92 is: 1,185,772,541.82
Step by Step Solution
- Step 1: Write the proportion equation
1,564,057,263.24 : 2,158,400,437.92 = 859,254,901.92 : x - Step 2: Convert to fraction form
1,564,057,263.24/2,158,400,437.92 = 859,254,901.92/x - Step 3: Cross multiply
1,564,057,263.24x = 2,158,400,437.92 × 859,254,901.92 - Step 4: Simplify right side
1,564,057,263.24x = 1,854,616,156,589,034,496 - Step 5: Solve for x
x = 1,854,616,156,589,034,496/1,564,057,263.24 - Step 6: Final answer
x = 1,185,772,541.82
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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.