Home / 799,974,142-1,103,956,182.48-442,742,615.70

Finding the Fourth Proportional to 799,974,142, 1,103,956,182.48 and 442,742,615.70

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Solution

The fourth proportional to 799,974,142, 1,103,956,182.48 and 442,742,615.70 is: 610,980,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,974,142 : 1,103,956,182.48 = 442,742,615.70 : x
  2. Step 2: Convert to fraction form
    799,974,142/1,103,956,182.48 = 442,742,615.70/x
  3. Step 3: Cross multiply
    799,974,142x = 1,103,956,182.48 × 442,742,615.70
  4. Step 4: Simplify right side
    799,974,142x = 488,768,447,849,381,696
  5. Step 5: Solve for x
    x = 488,768,447,849,381,696/799,974,142
  6. Step 6: Final answer
    x = 610,980,308.22

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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.