Finding the Fourth Proportional to 1,570,852,509,270.80, 2,167,829,950,105.80 and 911,607,544,599.36
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Solution
The fourth proportional to 1,570,852,509,270.80, 2,167,829,950,105.80 and 911,607,544,599.36 is: 1,258,049,451,658.75
Step by Step Solution
- Step 1: Write the proportion equation
1,570,852,509,270.80 : 2,167,829,950,105.80 = 911,607,544,599.36 : x - Step 2: Convert to fraction form
1,570,852,509,270.80/2,167,829,950,105.80 = 911,607,544,599.36/x - Step 3: Cross multiply
1,570,852,509,270.80x = 2,167,829,950,105.80 × 911,607,544,599.36 - Step 4: Simplify right side
1,570,852,509,270.80x = 1,976,210,137,924,901,321,834,496 - Step 5: Solve for x
x = 1,976,210,137,924,901,321,834,496/1,570,852,509,270.80 - Step 6: Final answer
x = 1,258,049,451,658.75
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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.