Home / 724,887,106.83-1,000,311,940.40-423,500,354.73

Finding the Fourth Proportional to 724,887,106.83, 1,000,311,940.40 and 423,500,354.73

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Solution

The fourth proportional to 724,887,106.83, 1,000,311,940.40 and 423,500,354.73 is: 584,411,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,887,106.83 : 1,000,311,940.40 = 423,500,354.73 : x
  2. Step 2: Convert to fraction form
    724,887,106.83/1,000,311,940.40 = 423,500,354.73/x
  3. Step 3: Cross multiply
    724,887,106.83x = 1,000,311,940.40 × 423,500,354.73
  4. Step 4: Simplify right side
    724,887,106.83x = 423,632,461,597,937,152
  5. Step 5: Solve for x
    x = 423,632,461,597,937,152/724,887,106.83
  6. Step 6: Final answer
    x = 584,411,638.18

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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.