Home / 868,920,323.16-1,199,101,615.74-472,443,307.32

Finding the Fourth Proportional to 868,920,323.16, 1,199,101,615.74 and 472,443,307.32

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Solution

The fourth proportional to 868,920,323.16, 1,199,101,615.74 and 472,443,307.32 is: 651,967,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,920,323.16 : 1,199,101,615.74 = 472,443,307.32 : x
  2. Step 2: Convert to fraction form
    868,920,323.16/1,199,101,615.74 = 472,443,307.32/x
  3. Step 3: Cross multiply
    868,920,323.16x = 1,199,101,615.74 × 472,443,307.32
  4. Step 4: Simplify right side
    868,920,323.16x = 566,507,533,152,961,344
  5. Step 5: Solve for x
    x = 566,507,533,152,961,344/868,920,323.16
  6. Step 6: Final answer
    x = 651,967,180.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.