Home / 65,779,803,881.40-98,499,774,046.71-45,398,953,432.44

Finding the Fourth Proportional to 65,779,803,881.40, 98,499,774,046.71 and 45,398,953,432.44

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Solution

The fourth proportional to 65,779,803,881.40, 98,499,774,046.71 and 45,398,953,432.44 is: 67,981,149,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,779,803,881.40 : 98,499,774,046.71 = 45,398,953,432.44 : x
  2. Step 2: Convert to fraction form
    65,779,803,881.40/98,499,774,046.71 = 45,398,953,432.44/x
  3. Step 3: Cross multiply
    65,779,803,881.40x = 98,499,774,046.71 × 45,398,953,432.44
  4. Step 4: Simplify right side
    65,779,803,881.40x = 4,471,786,655,051,729,600,512
  5. Step 5: Solve for x
    x = 4,471,786,655,051,729,600,512/65,779,803,881.40
  6. Step 6: Final answer
    x = 67,981,149,094.25

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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.