Home / 827,670,686.40-1,241,506,029.60-734,507,985.60

Finding the Fourth Proportional to 827,670,686.40, 1,241,506,029.60 and 734,507,985.60

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Solution

The fourth proportional to 827,670,686.40, 1,241,506,029.60 and 734,507,985.60 is: 1,101,761,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,670,686.40 : 1,241,506,029.60 = 734,507,985.60 : x
  2. Step 2: Convert to fraction form
    827,670,686.40/1,241,506,029.60 = 734,507,985.60/x
  3. Step 3: Cross multiply
    827,670,686.40x = 1,241,506,029.60 × 734,507,985.60
  4. Step 4: Simplify right side
    827,670,686.40x = 911,896,092,911,749,888
  5. Step 5: Solve for x
    x = 911,896,092,911,749,888/827,670,686.40
  6. Step 6: Final answer
    x = 1,101,761,978.40

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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.