Home / 418,325,502.40-626,761,064.90-293,563,527.50

Finding the Fourth Proportional to 418,325,502.40, 626,761,064.90 and 293,563,527.50

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Solution

The fourth proportional to 418,325,502.40, 626,761,064.90 and 293,563,527.50 is: 439,834,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,325,502.40 : 626,761,064.90 = 293,563,527.50 : x
  2. Step 2: Convert to fraction form
    418,325,502.40/626,761,064.90 = 293,563,527.50/x
  3. Step 3: Cross multiply
    418,325,502.40x = 626,761,064.90 × 293,563,527.50
  4. Step 4: Simplify right side
    418,325,502.40x = 183,994,189,111,700,416
  5. Step 5: Solve for x
    x = 183,994,189,111,700,416/418,325,502.40
  6. Step 6: Final answer
    x = 439,834,980.31

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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.