Home / 856,800,214,886.48-1,283,788,165,199.50-497,643,987,661.45

Finding the Fourth Proportional to 856,800,214,886.48, 1,283,788,165,199.50 and 497,643,987,661.45

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Solution

The fourth proportional to 856,800,214,886.48, 1,283,788,165,199.50 and 497,643,987,661.45 is: 745,645,776,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,800,214,886.48 : 1,283,788,165,199.50 = 497,643,987,661.45 : x
  2. Step 2: Convert to fraction form
    856,800,214,886.48/1,283,788,165,199.50 = 497,643,987,661.45/x
  3. Step 3: Cross multiply
    856,800,214,886.48x = 1,283,788,165,199.50 × 497,643,987,661.45
  4. Step 4: Simplify right side
    856,800,214,886.48x = 638,869,461,842,455,508,811,776
  5. Step 5: Solve for x
    x = 638,869,461,842,455,508,811,776/856,800,214,886.48
  6. Step 6: Final answer
    x = 745,645,776,859.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.