Home / 1,506,947,880.96-2,079,120,691.08-879,964,024.32

Finding the Fourth Proportional to 1,506,947,880.96, 2,079,120,691.08 and 879,964,024.32

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Solution

The fourth proportional to 1,506,947,880.96, 2,079,120,691.08 and 879,964,024.32 is: 1,214,077,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,947,880.96 : 2,079,120,691.08 = 879,964,024.32 : x
  2. Step 2: Convert to fraction form
    1,506,947,880.96/2,079,120,691.08 = 879,964,024.32/x
  3. Step 3: Cross multiply
    1,506,947,880.96x = 2,079,120,691.08 × 879,964,024.32
  4. Step 4: Simplify right side
    1,506,947,880.96x = 1,829,551,410,369,736,448
  5. Step 5: Solve for x
    x = 1,829,551,410,369,736,448/1,506,947,880.96
  6. Step 6: Final answer
    x = 1,214,077,429.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.