Home / 859,413,668,217.35-1,185,994,549,287.90-468,788,744,641.20

Finding the Fourth Proportional to 859,413,668,217.35, 1,185,994,549,287.90 and 468,788,744,641.20

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Solution

The fourth proportional to 859,413,668,217.35, 1,185,994,549,287.90 and 468,788,744,641.20 is: 646,930,478,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,413,668,217.35 : 1,185,994,549,287.90 = 468,788,744,641.20 : x
  2. Step 2: Convert to fraction form
    859,413,668,217.35/1,185,994,549,287.90 = 468,788,744,641.20/x
  3. Step 3: Cross multiply
    859,413,668,217.35x = 1,185,994,549,287.90 × 468,788,744,641.20
  4. Step 4: Simplify right side
    859,413,668,217.35x = 555,980,895,911,980,375,736,320
  5. Step 5: Solve for x
    x = 555,980,895,911,980,375,736,320/859,413,668,217.35
  6. Step 6: Final answer
    x = 646,930,478,852.21

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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.