Home / 843,911,985.69-1,164,598,540.26-472,634,017.06

Finding the Fourth Proportional to 843,911,985.69, 1,164,598,540.26 and 472,634,017.06

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Solution

The fourth proportional to 843,911,985.69, 1,164,598,540.26 and 472,634,017.06 is: 652,234,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,911,985.69 : 1,164,598,540.26 = 472,634,017.06 : x
  2. Step 2: Convert to fraction form
    843,911,985.69/1,164,598,540.26 = 472,634,017.06/x
  3. Step 3: Cross multiply
    843,911,985.69x = 1,164,598,540.26 × 472,634,017.06
  4. Step 4: Simplify right side
    843,911,985.69x = 550,428,886,342,932,800
  5. Step 5: Solve for x
    x = 550,428,886,342,932,800/843,911,985.69
  6. Step 6: Final answer
    x = 652,234,943.55

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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.