Home / 969,932,020.40-1,454,898,030.60-478,880,536.40

Finding the Fourth Proportional to 969,932,020.40, 1,454,898,030.60 and 478,880,536.40

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Solution

The fourth proportional to 969,932,020.40, 1,454,898,030.60 and 478,880,536.40 is: 718,320,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,932,020.40 : 1,454,898,030.60 = 478,880,536.40 : x
  2. Step 2: Convert to fraction form
    969,932,020.40/1,454,898,030.60 = 478,880,536.40/x
  3. Step 3: Cross multiply
    969,932,020.40x = 1,454,898,030.60 × 478,880,536.40
  4. Step 4: Simplify right side
    969,932,020.40x = 696,722,349,301,031,552
  5. Step 5: Solve for x
    x = 696,722,349,301,031,552/969,932,020.40
  6. Step 6: Final answer
    x = 718,320,804.60

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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.