Home / 910,701,256.30-1,256,768,153.94-493,013,541.46

Finding the Fourth Proportional to 910,701,256.30, 1,256,768,153.94 and 493,013,541.46

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Solution

The fourth proportional to 910,701,256.30, 1,256,768,153.94 and 493,013,541.46 is: 680,358,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,701,256.30 : 1,256,768,153.94 = 493,013,541.46 : x
  2. Step 2: Convert to fraction form
    910,701,256.30/1,256,768,153.94 = 493,013,541.46/x
  3. Step 3: Cross multiply
    910,701,256.30x = 1,256,768,153.94 × 493,013,541.46
  4. Step 4: Simplify right side
    910,701,256.30x = 619,603,718,368,105,856
  5. Step 5: Solve for x
    x = 619,603,718,368,105,856/910,701,256.30
  6. Step 6: Final answer
    x = 680,358,914.72

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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.