Home / 799,364,087.10-1,102,513,785.03-688,044,391.74

Finding the Fourth Proportional to 799,364,087.10, 1,102,513,785.03 and 688,044,391.74

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Solution

The fourth proportional to 799,364,087.10, 1,102,513,785.03 and 688,044,391.74 is: 948,977,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,364,087.10 : 1,102,513,785.03 = 688,044,391.74 : x
  2. Step 2: Convert to fraction form
    799,364,087.10/1,102,513,785.03 = 688,044,391.74/x
  3. Step 3: Cross multiply
    799,364,087.10x = 1,102,513,785.03 × 688,044,391.74
  4. Step 4: Simplify right side
    799,364,087.10x = 758,578,426,605,931,520
  5. Step 5: Solve for x
    x = 758,578,426,605,931,520/799,364,087.10
  6. Step 6: Final answer
    x = 948,977,366.94

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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.