Home / 910,701,134.26-1,256,767,986.38-493,013,420

Finding the Fourth Proportional to 910,701,134.26, 1,256,767,986.38 and 493,013,420

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Solution

The fourth proportional to 910,701,134.26, 1,256,767,986.38 and 493,013,420 is: 680,358,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,701,134.26 : 1,256,767,986.38 = 493,013,420 : x
  2. Step 2: Convert to fraction form
    910,701,134.26/1,256,767,986.38 = 493,013,420/x
  3. Step 3: Cross multiply
    910,701,134.26x = 1,256,767,986.38 × 493,013,420
  4. Step 4: Simplify right side
    910,701,134.26x = 619,603,483,111,717,248
  5. Step 5: Solve for x
    x = 619,603,483,111,717,248/910,701,134.26
  6. Step 6: Final answer
    x = 680,358,747.57

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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.