Home / 837,808,136.02-1,156,175,172.90-485,588,430.69

Finding the Fourth Proportional to 837,808,136.02, 1,156,175,172.90 and 485,588,430.69

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Solution

The fourth proportional to 837,808,136.02, 1,156,175,172.90 and 485,588,430.69 is: 670,112,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,808,136.02 : 1,156,175,172.90 = 485,588,430.69 : x
  2. Step 2: Convert to fraction form
    837,808,136.02/1,156,175,172.90 = 485,588,430.69/x
  3. Step 3: Cross multiply
    837,808,136.02x = 1,156,175,172.90 × 485,588,430.69
  4. Step 4: Simplify right side
    837,808,136.02x = 561,425,287,811,250,432
  5. Step 5: Solve for x
    x = 561,425,287,811,250,432/837,808,136.02
  6. Step 6: Final answer
    x = 670,112,002.59

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1.5x scale

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.