Finding the Fourth Proportional to 873,282,631.66, 1,205,098,389.30 and 476,798,317.99
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Solution
The fourth proportional to 873,282,631.66, 1,205,098,389.30 and 476,798,317.99 is: 657,964,402.59
Step by Step Solution
- Step 1: Write the proportion equation
873,282,631.66 : 1,205,098,389.30 = 476,798,317.99 : x - Step 2: Convert to fraction form
873,282,631.66/1,205,098,389.30 = 476,798,317.99/x - Step 3: Cross multiply
873,282,631.66x = 1,205,098,389.30 × 476,798,317.99 - Step 4: Simplify right side
873,282,631.66x = 574,588,885,030,698,176 - Step 5: Solve for x
x = 574,588,885,030,698,176/873,282,631.66 - Step 6: Final answer
x = 657,964,402.59
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1.5x scale
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.