Home / 1,055,816,491.20-1,584,291,607.20-442,462,718.40

Finding the Fourth Proportional to 1,055,816,491.20, 1,584,291,607.20 and 442,462,718.40

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Solution

The fourth proportional to 1,055,816,491.20, 1,584,291,607.20 and 442,462,718.40 is: 663,931,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,816,491.20 : 1,584,291,607.20 = 442,462,718.40 : x
  2. Step 2: Convert to fraction form
    1,055,816,491.20/1,584,291,607.20 = 442,462,718.40/x
  3. Step 3: Cross multiply
    1,055,816,491.20x = 1,584,291,607.20 × 442,462,718.40
  4. Step 4: Simplify right side
    1,055,816,491.20x = 700,989,971,260,017,024
  5. Step 5: Solve for x
    x = 700,989,971,260,017,024/1,055,816,491.20
  6. Step 6: Final answer
    x = 663,931,636.89

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Double scale
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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.