Home / 1,119,078,440.20-1,678,617,660.30-710,931,752.20

Finding the Fourth Proportional to 1,119,078,440.20, 1,678,617,660.30 and 710,931,752.20

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Solution

The fourth proportional to 1,119,078,440.20, 1,678,617,660.30 and 710,931,752.20 is: 1,066,397,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,078,440.20 : 1,678,617,660.30 = 710,931,752.20 : x
  2. Step 2: Convert to fraction form
    1,119,078,440.20/1,678,617,660.30 = 710,931,752.20/x
  3. Step 3: Cross multiply
    1,119,078,440.20x = 1,678,617,660.30 × 710,931,752.20
  4. Step 4: Simplify right side
    1,119,078,440.20x = 1,193,382,594,510,943,488
  5. Step 5: Solve for x
    x = 1,193,382,594,510,943,488/1,119,078,440.20
  6. Step 6: Final answer
    x = 1,066,397,628.30

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Double scale
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Similar ratio
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1.5x scale

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.