Home / 819,252,154.21-1,130,349,991.93-466,820,632.57

Finding the Fourth Proportional to 819,252,154.21, 1,130,349,991.93 and 466,820,632.57

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Solution

The fourth proportional to 819,252,154.21, 1,130,349,991.93 and 466,820,632.57 is: 644,088,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,252,154.21 : 1,130,349,991.93 = 466,820,632.57 : x
  2. Step 2: Convert to fraction form
    819,252,154.21/1,130,349,991.93 = 466,820,632.57/x
  3. Step 3: Cross multiply
    819,252,154.21x = 1,130,349,991.93 × 466,820,632.57
  4. Step 4: Simplify right side
    819,252,154.21x = 527,670,698,258,257,024
  5. Step 5: Solve for x
    x = 527,670,698,258,257,024/819,252,154.21
  6. Step 6: Final answer
    x = 644,088,264.58

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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.