Home / 1,259,715,047.60-1,889,572,571.40-953,605,031.60

Finding the Fourth Proportional to 1,259,715,047.60, 1,889,572,571.40 and 953,605,031.60

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Solution

The fourth proportional to 1,259,715,047.60, 1,889,572,571.40 and 953,605,031.60 is: 1,430,407,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,047.60 : 1,889,572,571.40 = 953,605,031.60 : x
  2. Step 2: Convert to fraction form
    1,259,715,047.60/1,889,572,571.40 = 953,605,031.60/x
  3. Step 3: Cross multiply
    1,259,715,047.60x = 1,889,572,571.40 × 953,605,031.60
  4. Step 4: Simplify right side
    1,259,715,047.60x = 1,801,905,911,660,390,400
  5. Step 5: Solve for x
    x = 1,801,905,911,660,390,400/1,259,715,047.60
  6. Step 6: Final answer
    x = 1,430,407,547.40

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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.