Home / 750,789,802.46-1,126,833,061.71-520,920,312.32

Finding the Fourth Proportional to 750,789,802.46, 1,126,833,061.71 and 520,920,312.32

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Solution

The fourth proportional to 750,789,802.46, 1,126,833,061.71 and 520,920,312.32 is: 781,830,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,789,802.46 : 1,126,833,061.71 = 520,920,312.32 : x
  2. Step 2: Convert to fraction form
    750,789,802.46/1,126,833,061.71 = 520,920,312.32/x
  3. Step 3: Cross multiply
    750,789,802.46x = 1,126,833,061.71 × 520,920,312.32
  4. Step 4: Simplify right side
    750,789,802.46x = 586,990,230,432,840,832
  5. Step 5: Solve for x
    x = 586,990,230,432,840,832/750,789,802.46
  6. Step 6: Final answer
    x = 781,830,318.57

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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.