Home / 442,675,411.20-664,013,116.80-155,461,075.20

Finding the Fourth Proportional to 442,675,411.20, 664,013,116.80 and 155,461,075.20

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Solution

The fourth proportional to 442,675,411.20, 664,013,116.80 and 155,461,075.20 is: 233,191,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,675,411.20 : 664,013,116.80 = 155,461,075.20 : x
  2. Step 2: Convert to fraction form
    442,675,411.20/664,013,116.80 = 155,461,075.20/x
  3. Step 3: Cross multiply
    442,675,411.20x = 664,013,116.80 × 155,461,075.20
  4. Step 4: Simplify right side
    442,675,411.20x = 103,228,193,084,631,168
  5. Step 5: Solve for x
    x = 103,228,193,084,631,168/442,675,411.20
  6. Step 6: Final answer
    x = 233,191,612.80

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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.