Home / 2,155,106,281,854.90-2,974,065,215,489.20-1,229,207,258,264.20

Finding the Fourth Proportional to 2,155,106,281,854.90, 2,974,065,215,489.20 and 1,229,207,258,264.20

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Solution

The fourth proportional to 2,155,106,281,854.90, 2,974,065,215,489.20 and 1,229,207,258,264.20 is: 1,696,316,594,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,106,281,854.90 : 2,974,065,215,489.20 = 1,229,207,258,264.20 : x
  2. Step 2: Convert to fraction form
    2,155,106,281,854.90/2,974,065,215,489.20 = 1,229,207,258,264.20/x
  3. Step 3: Cross multiply
    2,155,106,281,854.90x = 2,974,065,215,489.20 × 1,229,207,258,264.20
  4. Step 4: Simplify right side
    2,155,106,281,854.90x = 3,655,742,549,430,406,593,118,208
  5. Step 5: Solve for x
    x = 3,655,742,549,430,406,593,118,208/2,155,106,281,854.90
  6. Step 6: Final answer
    x = 1,696,316,594,782.47

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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.