Home / 15,812,752,116.66-21,821,639,360.58-8,578,799,219.40

Finding the Fourth Proportional to 15,812,752,116.66, 21,821,639,360.58 and 8,578,799,219.40

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Solution

The fourth proportional to 15,812,752,116.66, 21,821,639,360.58 and 8,578,799,219.40 is: 11,838,765,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812,752,116.66 : 21,821,639,360.58 = 8,578,799,219.40 : x
  2. Step 2: Convert to fraction form
    15,812,752,116.66/21,821,639,360.58 = 8,578,799,219.40/x
  3. Step 3: Cross multiply
    15,812,752,116.66x = 21,821,639,360.58 × 8,578,799,219.40
  4. Step 4: Simplify right side
    15,812,752,116.66x = 187,203,462,712,572,018,688
  5. Step 5: Solve for x
    x = 187,203,462,712,572,018,688/15,812,752,116.66
  6. Step 6: Final answer
    x = 11,838,765,404.75

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1.5x scale

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.