Home / 435,696,538.20-653,544,807.30-402,440,141.40

Finding the Fourth Proportional to 435,696,538.20, 653,544,807.30 and 402,440,141.40

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Solution

The fourth proportional to 435,696,538.20, 653,544,807.30 and 402,440,141.40 is: 603,660,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,696,538.20 : 653,544,807.30 = 402,440,141.40 : x
  2. Step 2: Convert to fraction form
    435,696,538.20/653,544,807.30 = 402,440,141.40/x
  3. Step 3: Cross multiply
    435,696,538.20x = 653,544,807.30 × 402,440,141.40
  4. Step 4: Simplify right side
    435,696,538.20x = 263,012,664,661,047,712
  5. Step 5: Solve for x
    x = 263,012,664,661,047,712/435,696,538.20
  6. Step 6: Final answer
    x = 603,660,212.10

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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.