Home / 514,960,090.80-772,440,136.20-458,839,921.20

Finding the Fourth Proportional to 514,960,090.80, 772,440,136.20 and 458,839,921.20

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Solution

The fourth proportional to 514,960,090.80, 772,440,136.20 and 458,839,921.20 is: 688,259,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,960,090.80 : 772,440,136.20 = 458,839,921.20 : x
  2. Step 2: Convert to fraction form
    514,960,090.80/772,440,136.20 = 458,839,921.20/x
  3. Step 3: Cross multiply
    514,960,090.80x = 772,440,136.20 × 458,839,921.20
  4. Step 4: Simplify right side
    514,960,090.80x = 354,426,371,225,725,312
  5. Step 5: Solve for x
    x = 354,426,371,225,725,312/514,960,090.80
  6. Step 6: Final answer
    x = 688,259,881.80

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1.5x scale

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.