Home / 637,062,189.57-954,619,828.16-429,031,381.59

Finding the Fourth Proportional to 637,062,189.57, 954,619,828.16 and 429,031,381.59

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Solution

The fourth proportional to 637,062,189.57, 954,619,828.16 and 429,031,381.59 is: 642,891,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,062,189.57 : 954,619,828.16 = 429,031,381.59 : x
  2. Step 2: Convert to fraction form
    637,062,189.57/954,619,828.16 = 429,031,381.59/x
  3. Step 3: Cross multiply
    637,062,189.57x = 954,619,828.16 × 429,031,381.59
  4. Step 4: Simplify right side
    637,062,189.57x = 409,561,863,766,547,968
  5. Step 5: Solve for x
    x = 409,561,863,766,547,968/637,062,189.57
  6. Step 6: Final answer
    x = 642,891,495.48

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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.