Home / 1,475,502,664.40-2,213,502,002.40-440,468,172.80

Finding the Fourth Proportional to 1,475,502,664.40, 2,213,502,002.40 and 440,468,172.80

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Solution

The fourth proportional to 1,475,502,664.40, 2,213,502,002.40 and 440,468,172.80 is: 660,776,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,502,664.40 : 2,213,502,002.40 = 440,468,172.80 : x
  2. Step 2: Convert to fraction form
    1,475,502,664.40/2,213,502,002.40 = 440,468,172.80/x
  3. Step 3: Cross multiply
    1,475,502,664.40x = 2,213,502,002.40 × 440,468,172.80
  4. Step 4: Simplify right side
    1,475,502,664.40x = 974,977,182,486,269,312
  5. Step 5: Solve for x
    x = 974,977,182,486,269,312/1,475,502,664.40
  6. Step 6: Final answer
    x = 660,776,294.08

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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.