Home / 1,035,787,664.72-1,429,387,550.81-559,478,031.40

Finding the Fourth Proportional to 1,035,787,664.72, 1,429,387,550.81 and 559,478,031.40

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Solution

The fourth proportional to 1,035,787,664.72, 1,429,387,550.81 and 559,478,031.40 is: 772,079,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,787,664.72 : 1,429,387,550.81 = 559,478,031.40 : x
  2. Step 2: Convert to fraction form
    1,035,787,664.72/1,429,387,550.81 = 559,478,031.40/x
  3. Step 3: Cross multiply
    1,035,787,664.72x = 1,429,387,550.81 × 559,478,031.40
  4. Step 4: Simplify right side
    1,035,787,664.72x = 799,710,933,034,846,208
  5. Step 5: Solve for x
    x = 799,710,933,034,846,208/1,035,787,664.72
  6. Step 6: Final answer
    x = 772,079,993.10

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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.