Home / 1,953,834,869.12-2,931,327,368.49-710,245,731.11

Finding the Fourth Proportional to 1,953,834,869.12, 2,931,327,368.49 and 710,245,731.11

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Solution

The fourth proportional to 1,953,834,869.12, 2,931,327,368.49 and 710,245,731.11 is: 1,065,577,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,834,869.12 : 2,931,327,368.49 = 710,245,731.11 : x
  2. Step 2: Convert to fraction form
    1,953,834,869.12/2,931,327,368.49 = 710,245,731.11/x
  3. Step 3: Cross multiply
    1,953,834,869.12x = 2,931,327,368.49 × 710,245,731.11
  4. Step 4: Simplify right side
    1,953,834,869.12x = 2,081,962,749,941,275,648
  5. Step 5: Solve for x
    x = 2,081,962,749,941,275,648/1,953,834,869.12
  6. Step 6: Final answer
    x = 1,065,577,640.59

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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.