Finding the Fourth Proportional to 1,660,488,904.15, 2,291,485,050.76 and 907,803,701.44
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Solution
The fourth proportional to 1,660,488,904.15, 2,291,485,050.76 and 907,803,701.44 is: 1,252,774,773.55
Step by Step Solution
- Step 1: Write the proportion equation
1,660,488,904.15 : 2,291,485,050.76 = 907,803,701.44 : x - Step 2: Convert to fraction form
1,660,488,904.15/2,291,485,050.76 = 907,803,701.44/x - Step 3: Cross multiply
1,660,488,904.15x = 2,291,485,050.76 × 907,803,701.44 - Step 4: Simplify right side
1,660,488,904.15x = 2,080,218,610,874,354,688 - Step 5: Solve for x
x = 2,080,218,610,874,354,688/1,660,488,904.15 - Step 6: Final answer
x = 1,252,774,773.55
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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.