Home / 1,130,437,331.12-1,559,774,826.60-660,447,881.84

Finding the Fourth Proportional to 1,130,437,331.12, 1,559,774,826.60 and 660,447,881.84

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Solution

The fourth proportional to 1,130,437,331.12, 1,559,774,826.60 and 660,447,881.84 is: 911,284,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,437,331.12 : 1,559,774,826.60 = 660,447,881.84 : x
  2. Step 2: Convert to fraction form
    1,130,437,331.12/1,559,774,826.60 = 660,447,881.84/x
  3. Step 3: Cross multiply
    1,130,437,331.12x = 1,559,774,826.60 × 660,447,881.84
  4. Step 4: Simplify right side
    1,130,437,331.12x = 1,030,149,980,375,323,264
  5. Step 5: Solve for x
    x = 1,030,149,980,375,323,264/1,130,437,331.12
  6. Step 6: Final answer
    x = 911,284,466.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.