Home / 710,103,821.90-1,064,483,886.45-419,194,330.70

Finding the Fourth Proportional to 710,103,821.90, 1,064,483,886.45 and 419,194,330.70

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Solution

The fourth proportional to 710,103,821.90, 1,064,483,886.45 and 419,194,330.70 is: 628,394,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,103,821.90 : 1,064,483,886.45 = 419,194,330.70 : x
  2. Step 2: Convert to fraction form
    710,103,821.90/1,064,483,886.45 = 419,194,330.70/x
  3. Step 3: Cross multiply
    710,103,821.90x = 1,064,483,886.45 × 419,194,330.70
  4. Step 4: Simplify right side
    710,103,821.90x = 446,225,610,321,342,528
  5. Step 5: Solve for x
    x = 446,225,610,321,342,528/710,103,821.90
  6. Step 6: Final answer
    x = 628,394,886.16

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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.