Home / 5,381,946,641.40-8,072,919,962.10-3,930,758,417.40

Finding the Fourth Proportional to 5,381,946,641.40, 8,072,919,962.10 and 3,930,758,417.40

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Solution

The fourth proportional to 5,381,946,641.40, 8,072,919,962.10 and 3,930,758,417.40 is: 5,896,137,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,946,641.40 : 8,072,919,962.10 = 3,930,758,417.40 : x
  2. Step 2: Convert to fraction form
    5,381,946,641.40/8,072,919,962.10 = 3,930,758,417.40/x
  3. Step 3: Cross multiply
    5,381,946,641.40x = 8,072,919,962.10 × 3,930,758,417.40
  4. Step 4: Simplify right side
    5,381,946,641.40x = 31,732,698,094,021,066,752
  5. Step 5: Solve for x
    x = 31,732,698,094,021,066,752/5,381,946,641.40
  6. Step 6: Final answer
    x = 5,896,137,626.10

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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.