Home / 1,145,887,894.10-1,717,077,501.24-771,007,228.74

Finding the Fourth Proportional to 1,145,887,894.10, 1,717,077,501.24 and 771,007,228.74

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Solution

The fourth proportional to 1,145,887,894.10, 1,717,077,501.24 and 771,007,228.74 is: 1,155,330,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,887,894.10 : 1,717,077,501.24 = 771,007,228.74 : x
  2. Step 2: Convert to fraction form
    1,145,887,894.10/1,717,077,501.24 = 771,007,228.74/x
  3. Step 3: Cross multiply
    1,145,887,894.10x = 1,717,077,501.24 × 771,007,228.74
  4. Step 4: Simplify right side
    1,145,887,894.10x = 1,323,879,165,761,800,704
  5. Step 5: Solve for x
    x = 1,323,879,165,761,800,704/1,145,887,894.10
  6. Step 6: Final answer
    x = 1,155,330,440.77

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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.