Home / 1,234,065,728.16-1,851,109,443-313,943,040

Finding the Fourth Proportional to 1,234,065,728.16, 1,851,109,443 and 313,943,040

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Solution

The fourth proportional to 1,234,065,728.16, 1,851,109,443 and 313,943,040 is: 470,917,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,065,728.16 : 1,851,109,443 = 313,943,040 : x
  2. Step 2: Convert to fraction form
    1,234,065,728.16/1,851,109,443 = 313,943,040/x
  3. Step 3: Cross multiply
    1,234,065,728.16x = 1,851,109,443 × 313,943,040
  4. Step 4: Simplify right side
    1,234,065,728.16x = 581,142,925,908,126,720
  5. Step 5: Solve for x
    x = 581,142,925,908,126,720/1,234,065,728.16
  6. Step 6: Final answer
    x = 470,917,320.40

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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.