Home / 944,785,810.40-1,417,178,715.60-636,408,312.80

Finding the Fourth Proportional to 944,785,810.40, 1,417,178,715.60 and 636,408,312.80

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Solution

The fourth proportional to 944,785,810.40, 1,417,178,715.60 and 636,408,312.80 is: 954,612,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,785,810.40 : 1,417,178,715.60 = 636,408,312.80 : x
  2. Step 2: Convert to fraction form
    944,785,810.40/1,417,178,715.60 = 636,408,312.80/x
  3. Step 3: Cross multiply
    944,785,810.40x = 1,417,178,715.60 × 636,408,312.80
  4. Step 4: Simplify right side
    944,785,810.40x = 901,904,315,331,066,880
  5. Step 5: Solve for x
    x = 901,904,315,331,066,880/944,785,810.40
  6. Step 6: Final answer
    x = 954,612,469.20

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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.