Home / 659,892,158.84-990,079,628.69-620,907,972.16

Finding the Fourth Proportional to 659,892,158.84, 990,079,628.69 and 620,907,972.16

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Solution

The fourth proportional to 659,892,158.84, 990,079,628.69 and 620,907,972.16 is: 931,589,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,892,158.84 : 990,079,628.69 = 620,907,972.16 : x
  2. Step 2: Convert to fraction form
    659,892,158.84/990,079,628.69 = 620,907,972.16/x
  3. Step 3: Cross multiply
    659,892,158.84x = 990,079,628.69 × 620,907,972.16
  4. Step 4: Simplify right side
    659,892,158.84x = 614,748,334,518,778,624
  5. Step 5: Solve for x
    x = 614,748,334,518,778,624/659,892,158.84
  6. Step 6: Final answer
    x = 931,589,088.13

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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.