Home / 1,367,822,631.64-2,051,899,977.80-385,249,172.28

Finding the Fourth Proportional to 1,367,822,631.64, 2,051,899,977.80 and 385,249,172.28

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Solution

The fourth proportional to 1,367,822,631.64, 2,051,899,977.80 and 385,249,172.28 is: 577,920,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,822,631.64 : 2,051,899,977.80 = 385,249,172.28 : x
  2. Step 2: Convert to fraction form
    1,367,822,631.64/2,051,899,977.80 = 385,249,172.28/x
  3. Step 3: Cross multiply
    1,367,822,631.64x = 2,051,899,977.80 × 385,249,172.28
  4. Step 4: Simplify right side
    1,367,822,631.64x = 790,492,768,048,800,256
  5. Step 5: Solve for x
    x = 790,492,768,048,800,256/1,367,822,631.64
  6. Step 6: Final answer
    x = 577,920,521.10

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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.