Home / 651,873,886.10-977,810,829.15-498,818,878.10

Finding the Fourth Proportional to 651,873,886.10, 977,810,829.15 and 498,818,878.10

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Solution

The fourth proportional to 651,873,886.10, 977,810,829.15 and 498,818,878.10 is: 748,228,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,873,886.10 : 977,810,829.15 = 498,818,878.10 : x
  2. Step 2: Convert to fraction form
    651,873,886.10/977,810,829.15 = 498,818,878.10/x
  3. Step 3: Cross multiply
    651,873,886.10x = 977,810,829.15 × 498,818,878.10
  4. Step 4: Simplify right side
    651,873,886.10x = 487,750,500,790,633,792
  5. Step 5: Solve for x
    x = 487,750,500,790,633,792/651,873,886.10
  6. Step 6: Final answer
    x = 748,228,317.15

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Double scale
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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.