Finding the Fourth Proportional to 855,885,292.11, 1,282,931,900.18 and 358,180,964.06
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Solution
The fourth proportional to 855,885,292.11, 1,282,931,900.18 and 358,180,964.06 is: 536,896,461.55
Step by Step Solution
- Step 1: Write the proportion equation
855,885,292.11 : 1,282,931,900.18 = 358,180,964.06 : x - Step 2: Convert to fraction form
855,885,292.11/1,282,931,900.18 = 358,180,964.06/x - Step 3: Cross multiply
855,885,292.11x = 1,282,931,900.18 × 358,180,964.06 - Step 4: Simplify right side
855,885,292.11x = 459,521,784,829,800,128 - Step 5: Solve for x
x = 459,521,784,829,800,128/855,885,292.11 - Step 6: Final answer
x = 536,896,461.55
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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.