Home / 3,191,555,643.40-4,787,333,465.10-3,119,892,027.40

Finding the Fourth Proportional to 3,191,555,643.40, 4,787,333,465.10 and 3,119,892,027.40

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Solution

The fourth proportional to 3,191,555,643.40, 4,787,333,465.10 and 3,119,892,027.40 is: 4,679,838,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,555,643.40 : 4,787,333,465.10 = 3,119,892,027.40 : x
  2. Step 2: Convert to fraction form
    3,191,555,643.40/4,787,333,465.10 = 3,119,892,027.40/x
  3. Step 3: Cross multiply
    3,191,555,643.40x = 4,787,333,465.10 × 3,119,892,027.40
  4. Step 4: Simplify right side
    3,191,555,643.40x = 14,935,963,510,270,707,712
  5. Step 5: Solve for x
    x = 14,935,963,510,270,707,712/3,191,555,643.40
  6. Step 6: Final answer
    x = 4,679,838,041.10

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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.