Home / 778,435,332,054.65-1,074,240,384,599.80-465,575,710,527.15

Finding the Fourth Proportional to 778,435,332,054.65, 1,074,240,384,599.80 and 465,575,710,527.15

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Solution

The fourth proportional to 778,435,332,054.65, 1,074,240,384,599.80 and 465,575,710,527.15 is: 642,494,257,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,435,332,054.65 : 1,074,240,384,599.80 = 465,575,710,527.15 : x
  2. Step 2: Convert to fraction form
    778,435,332,054.65/1,074,240,384,599.80 = 465,575,710,527.15/x
  3. Step 3: Cross multiply
    778,435,332,054.65x = 1,074,240,384,599.80 × 465,575,710,527.15
  4. Step 4: Simplify right side
    778,435,332,054.65x = 500,140,230,337,010,824,380,416
  5. Step 5: Solve for x
    x = 500,140,230,337,010,824,380,416/778,435,332,054.65
  6. Step 6: Final answer
    x = 642,494,257,059.11

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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.