Finding the Fourth Proportional to 346,466,962.71, 517,798,291.50 and 253,290,088.13
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Solution
The fourth proportional to 346,466,962.71, 517,798,291.50 and 253,290,088.13 is: 378,544,533.83
Step by Step Solution
- Step 1: Write the proportion equation
346,466,962.71 : 517,798,291.50 = 253,290,088.13 : x - Step 2: Convert to fraction form
346,466,962.71/517,798,291.50 = 253,290,088.13/x - Step 3: Cross multiply
346,466,962.71x = 517,798,291.50 × 253,290,088.13 - Step 4: Simplify right side
346,466,962.71x = 131,153,174,885,009,440 - Step 5: Solve for x
x = 131,153,174,885,009,440/346,466,962.71 - Step 6: Final answer
x = 378,544,533.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.