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Finding the Fourth Proportional to 1,185,774,657.03, 1,779,033,704.47 and 713,588,918.47

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Solution

The fourth proportional to 1,185,774,657.03, 1,779,033,704.47 and 713,588,918.47 is: 1,070,607,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,774,657.03 : 1,779,033,704.47 = 713,588,918.47 : x
  2. Step 2: Convert to fraction form
    1,185,774,657.03/1,779,033,704.47 = 713,588,918.47/x
  3. Step 3: Cross multiply
    1,185,774,657.03x = 1,779,033,704.47 × 713,588,918.47
  4. Step 4: Simplify right side
    1,185,774,657.03x = 1,269,498,737,088,193,280
  5. Step 5: Solve for x
    x = 1,269,498,737,088,193,280/1,185,774,657.03
  6. Step 6: Final answer
    x = 1,070,607,074.93

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1.5x scale

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.