Home / 8,937,940,820.40-13,406,911,230.60-7,956,475,581.60

Finding the Fourth Proportional to 8,937,940,820.40, 13,406,911,230.60 and 7,956,475,581.60

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Solution

The fourth proportional to 8,937,940,820.40, 13,406,911,230.60 and 7,956,475,581.60 is: 11,934,713,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937,940,820.40 : 13,406,911,230.60 = 7,956,475,581.60 : x
  2. Step 2: Convert to fraction form
    8,937,940,820.40/13,406,911,230.60 = 7,956,475,581.60/x
  3. Step 3: Cross multiply
    8,937,940,820.40x = 13,406,911,230.60 × 7,956,475,581.60
  4. Step 4: Simplify right side
    8,937,940,820.40x = 106,671,761,830,947,717,120
  5. Step 5: Solve for x
    x = 106,671,761,830,947,717,120/8,937,940,820.40
  6. Step 6: Final answer
    x = 11,934,713,372.40

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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.