Home / 1,428,516,050.40-2,142,781,642.62-445,860,296.28

Finding the Fourth Proportional to 1,428,516,050.40, 2,142,781,642.62 and 445,860,296.28

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Solution

The fourth proportional to 1,428,516,050.40, 2,142,781,642.62 and 445,860,296.28 is: 668,792,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,516,050.40 : 2,142,781,642.62 = 445,860,296.28 : x
  2. Step 2: Convert to fraction form
    1,428,516,050.40/2,142,781,642.62 = 445,860,296.28/x
  3. Step 3: Cross multiply
    1,428,516,050.40x = 2,142,781,642.62 × 445,860,296.28
  4. Step 4: Simplify right side
    1,428,516,050.40x = 955,381,258,041,898,112
  5. Step 5: Solve for x
    x = 955,381,258,041,898,112/1,428,516,050.40
  6. Step 6: Final answer
    x = 668,792,806.20

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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.