Finding the Fourth Proportional to 1,668,438,497.70, 2,502,657,746.55 and 970,125,023.70
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Solution
The fourth proportional to 1,668,438,497.70, 2,502,657,746.55 and 970,125,023.70 is: 1,455,187,535.55
Step by Step Solution
- Step 1: Write the proportion equation
1,668,438,497.70 : 2,502,657,746.55 = 970,125,023.70 : x - Step 2: Convert to fraction form
1,668,438,497.70/2,502,657,746.55 = 970,125,023.70/x - Step 3: Cross multiply
1,668,438,497.70x = 2,502,657,746.55 × 970,125,023.70 - Step 4: Simplify right side
1,668,438,497.70x = 2,427,890,905,684,807,680 - Step 5: Solve for x
x = 2,427,890,905,684,807,680/1,668,438,497.70 - Step 6: Final answer
x = 1,455,187,535.55
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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.