Home / 623,960,147.07-861,961,905.02-498,347,423.67

Finding the Fourth Proportional to 623,960,147.07, 861,961,905.02 and 498,347,423.67

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Solution

The fourth proportional to 623,960,147.07, 861,961,905.02 and 498,347,423.67 is: 688,435,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,960,147.07 : 861,961,905.02 = 498,347,423.67 : x
  2. Step 2: Convert to fraction form
    623,960,147.07/861,961,905.02 = 498,347,423.67/x
  3. Step 3: Cross multiply
    623,960,147.07x = 861,961,905.02 × 498,347,423.67
  4. Step 4: Simplify right side
    623,960,147.07x = 429,556,494,665,910,528
  5. Step 5: Solve for x
    x = 429,556,494,665,910,528/623,960,147.07
  6. Step 6: Final answer
    x = 688,435,786.62

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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.