Finding the Fourth Proportional to 1,909,768,176.31, 2,635,480,210.05 and 1,062,977,326.18
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Solution
The fourth proportional to 1,909,768,176.31, 2,635,480,210.05 and 1,062,977,326.18 is: 1,466,908,780.67
Step by Step Solution
- Step 1: Write the proportion equation
1,909,768,176.31 : 2,635,480,210.05 = 1,062,977,326.18 : x - Step 2: Convert to fraction form
1,909,768,176.31/2,635,480,210.05 = 1,062,977,326.18/x - Step 3: Cross multiply
1,909,768,176.31x = 2,635,480,210.05 × 1,062,977,326.18 - Step 4: Simplify right side
1,909,768,176.31x = 2,801,455,706,873,938,944 - Step 5: Solve for x
x = 2,801,455,706,873,938,944/1,909,768,176.31 - Step 6: Final answer
x = 1,466,908,780.67
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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.