Home / 1,312,348,211.38-1,810,187,191.84-841,704,061.78

Finding the Fourth Proportional to 1,312,348,211.38, 1,810,187,191.84 and 841,704,061.78

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Solution

The fourth proportional to 1,312,348,211.38, 1,810,187,191.84 and 841,704,061.78 is: 1,161,004,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,348,211.38 : 1,810,187,191.84 = 841,704,061.78 : x
  2. Step 2: Convert to fraction form
    1,312,348,211.38/1,810,187,191.84 = 841,704,061.78/x
  3. Step 3: Cross multiply
    1,312,348,211.38x = 1,810,187,191.84 × 841,704,061.78
  4. Step 4: Simplify right side
    1,312,348,211.38x = 1,523,641,911,953,859,840
  5. Step 5: Solve for x
    x = 1,523,641,911,953,859,840/1,312,348,211.38
  6. Step 6: Final answer
    x = 1,161,004,296.53

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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.