Home / 77,262,896,656.40-115,894,344,984.60-64,865,441,008.40

Finding the Fourth Proportional to 77,262,896,656.40, 115,894,344,984.60 and 64,865,441,008.40

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Solution

The fourth proportional to 77,262,896,656.40, 115,894,344,984.60 and 64,865,441,008.40 is: 97,298,161,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,896,656.40 : 115,894,344,984.60 = 64,865,441,008.40 : x
  2. Step 2: Convert to fraction form
    77,262,896,656.40/115,894,344,984.60 = 64,865,441,008.40/x
  3. Step 3: Cross multiply
    77,262,896,656.40x = 115,894,344,984.60 × 64,865,441,008.40
  4. Step 4: Simplify right side
    77,262,896,656.40x = 7,517,537,797,805,730,430,976
  5. Step 5: Solve for x
    x = 7,517,537,797,805,730,430,976/77,262,896,656.40
  6. Step 6: Final answer
    x = 97,298,161,512.60

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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.