Home / 1,137,389,180.20-1,706,875,762.84-400,518,437.62

Finding the Fourth Proportional to 1,137,389,180.20, 1,706,875,762.84 and 400,518,437.62

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Solution

The fourth proportional to 1,137,389,180.20, 1,706,875,762.84 and 400,518,437.62 is: 601,056,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,389,180.20 : 1,706,875,762.84 = 400,518,437.62 : x
  2. Step 2: Convert to fraction form
    1,137,389,180.20/1,706,875,762.84 = 400,518,437.62/x
  3. Step 3: Cross multiply
    1,137,389,180.20x = 1,706,875,762.84 × 400,518,437.62
  4. Step 4: Simplify right side
    1,137,389,180.20x = 683,635,213,744,122,368
  5. Step 5: Solve for x
    x = 683,635,213,744,122,368/1,137,389,180.20
  6. Step 6: Final answer
    x = 601,056,547.44

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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.