Home / 1,300,678,096.80-1,794,931,227.28-705,962,548.52

Finding the Fourth Proportional to 1,300,678,096.80, 1,794,931,227.28 and 705,962,548.52

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Solution

The fourth proportional to 1,300,678,096.80, 1,794,931,227.28 and 705,962,548.52 is: 974,225,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,678,096.80 : 1,794,931,227.28 = 705,962,548.52 : x
  2. Step 2: Convert to fraction form
    1,300,678,096.80/1,794,931,227.28 = 705,962,548.52/x
  3. Step 3: Cross multiply
    1,300,678,096.80x = 1,794,931,227.28 × 705,962,548.52
  4. Step 4: Simplify right side
    1,300,678,096.80x = 1,267,154,223,628,720,128
  5. Step 5: Solve for x
    x = 1,267,154,223,628,720,128/1,300,678,096.80
  6. Step 6: Final answer
    x = 974,225,849.38

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Double scale
Find fourth proportional to 1,300,678,097.80, 1,794,931,228.66 and 705,962,549.52
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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.