Finding the Fourth Proportional to 804,301,686.30, 1,206,452,529.45 and 569,617,340.70
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Solution
The fourth proportional to 804,301,686.30, 1,206,452,529.45 and 569,617,340.70 is: 854,426,011.05
Step by Step Solution
- Step 1: Write the proportion equation
804,301,686.30 : 1,206,452,529.45 = 569,617,340.70 : x - Step 2: Convert to fraction form
804,301,686.30/1,206,452,529.45 = 569,617,340.70/x - Step 3: Cross multiply
804,301,686.30x = 1,206,452,529.45 × 569,617,340.70 - Step 4: Simplify right side
804,301,686.30x = 687,216,281,506,097,536 - Step 5: Solve for x
x = 687,216,281,506,097,536/804,301,686.30 - Step 6: Final answer
x = 854,426,011.05
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Double scale
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1.5x scale
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.