Home / 922,566,647.96-1,273,141,151.67-520,764,971.16

Finding the Fourth Proportional to 922,566,647.96, 1,273,141,151.67 and 520,764,971.16

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Solution

The fourth proportional to 922,566,647.96, 1,273,141,151.67 and 520,764,971.16 is: 718,655,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,566,647.96 : 1,273,141,151.67 = 520,764,971.16 : x
  2. Step 2: Convert to fraction form
    922,566,647.96/1,273,141,151.67 = 520,764,971.16/x
  3. Step 3: Cross multiply
    922,566,647.96x = 1,273,141,151.67 × 520,764,971.16
  4. Step 4: Simplify right side
    922,566,647.96x = 663,007,315,127,249,792
  5. Step 5: Solve for x
    x = 663,007,315,127,249,792/922,566,647.96
  6. Step 6: Final answer
    x = 718,655,195.91

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Double scale
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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.