Home / 898,764,117.84-1,240,332,786.94-502,287,095.72

Finding the Fourth Proportional to 898,764,117.84, 1,240,332,786.94 and 502,287,095.72

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Solution

The fourth proportional to 898,764,117.84, 1,240,332,786.94 and 502,287,095.72 is: 693,177,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,764,117.84 : 1,240,332,786.94 = 502,287,095.72 : x
  2. Step 2: Convert to fraction form
    898,764,117.84/1,240,332,786.94 = 502,287,095.72/x
  3. Step 3: Cross multiply
    898,764,117.84x = 1,240,332,786.94 × 502,287,095.72
  4. Step 4: Simplify right side
    898,764,117.84x = 623,003,153,278,386,176
  5. Step 5: Solve for x
    x = 623,003,153,278,386,176/898,764,117.84
  6. Step 6: Final answer
    x = 693,177,599.01

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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.