Home / 859,413,668,215.34-1,185,994,549,285.10-468,788,744,639.20

Finding the Fourth Proportional to 859,413,668,215.34, 1,185,994,549,285.10 and 468,788,744,639.20

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Solution

The fourth proportional to 859,413,668,215.34, 1,185,994,549,285.10 and 468,788,744,639.20 is: 646,930,478,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,413,668,215.34 : 1,185,994,549,285.10 = 468,788,744,639.20 : x
  2. Step 2: Convert to fraction form
    859,413,668,215.34/1,185,994,549,285.10 = 468,788,744,639.20/x
  3. Step 3: Cross multiply
    859,413,668,215.34x = 1,185,994,549,285.10 × 468,788,744,639.20
  4. Step 4: Simplify right side
    859,413,668,215.34x = 555,980,895,908,295,897,776,128
  5. Step 5: Solve for x
    x = 555,980,895,908,295,897,776,128/859,413,668,215.34
  6. Step 6: Final answer
    x = 646,930,478,849.43

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Double scale
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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.