Finding the Fourth Proportional to 1,678,756,726.80, 2,518,135,090.20 and 588,126,070.80
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Solution
The fourth proportional to 1,678,756,726.80, 2,518,135,090.20 and 588,126,070.80 is: 882,189,106.20
Step by Step Solution
- Step 1: Write the proportion equation
1,678,756,726.80 : 2,518,135,090.20 = 588,126,070.80 : x - Step 2: Convert to fraction form
1,678,756,726.80/2,518,135,090.20 = 588,126,070.80/x - Step 3: Cross multiply
1,678,756,726.80x = 2,518,135,090.20 × 588,126,070.80 - Step 4: Simplify right side
1,678,756,726.80x = 1,480,980,896,342,929,408 - Step 5: Solve for x
x = 1,480,980,896,342,929,408/1,678,756,726.80 - Step 6: Final answer
x = 882,189,106.20
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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.