Home / 879,411,946.60-1,319,117,919.90-448,534,455.40

Finding the Fourth Proportional to 879,411,946.60, 1,319,117,919.90 and 448,534,455.40

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Solution

The fourth proportional to 879,411,946.60, 1,319,117,919.90 and 448,534,455.40 is: 672,801,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,411,946.60 : 1,319,117,919.90 = 448,534,455.40 : x
  2. Step 2: Convert to fraction form
    879,411,946.60/1,319,117,919.90 = 448,534,455.40/x
  3. Step 3: Cross multiply
    879,411,946.60x = 1,319,117,919.90 × 448,534,455.40
  4. Step 4: Simplify right side
    879,411,946.60x = 591,669,837,810,727,296
  5. Step 5: Solve for x
    x = 591,669,837,810,727,296/879,411,946.60
  6. Step 6: Final answer
    x = 672,801,683.10

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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.