Home / 286,308,642,032.76-429,462,736,223.22-76,929,391,088.76

Finding the Fourth Proportional to 286,308,642,032.76, 429,462,736,223.22 and 76,929,391,088.76

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Solution

The fourth proportional to 286,308,642,032.76, 429,462,736,223.22 and 76,929,391,088.76 is: 115,394,025,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,308,642,032.76 : 429,462,736,223.22 = 76,929,391,088.76 : x
  2. Step 2: Convert to fraction form
    286,308,642,032.76/429,462,736,223.22 = 76,929,391,088.76/x
  3. Step 3: Cross multiply
    286,308,642,032.76x = 429,462,736,223.22 × 76,929,391,088.76
  4. Step 4: Simplify right side
    286,308,642,032.76x = 33,038,306,792,965,060,689,920
  5. Step 5: Solve for x
    x = 33,038,306,792,965,060,689,920/286,308,642,032.76
  6. Step 6: Final answer
    x = 115,394,025,686.40

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1.5x scale

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.