Home / 859,413,668,114.80-1,185,994,549,146.60-468,788,744,538.65

Finding the Fourth Proportional to 859,413,668,114.80, 1,185,994,549,146.60 and 468,788,744,538.65

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Solution

The fourth proportional to 859,413,668,114.80, 1,185,994,549,146.60 and 468,788,744,538.65 is: 646,930,478,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,413,668,114.80 : 1,185,994,549,146.60 = 468,788,744,538.65 : x
  2. Step 2: Convert to fraction form
    859,413,668,114.80/1,185,994,549,146.60 = 468,788,744,538.65/x
  3. Step 3: Cross multiply
    859,413,668,114.80x = 1,185,994,549,146.60 × 468,788,744,538.65
  4. Step 4: Simplify right side
    859,413,668,114.80x = 555,980,895,724,116,895,596,544
  5. Step 5: Solve for x
    x = 555,980,895,724,116,895,596,544/859,413,668,114.80
  6. Step 6: Final answer
    x = 646,930,478,710.81

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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.