Home / 764,112,291.59-1,054,478,533.32-434,105,538.95

Finding the Fourth Proportional to 764,112,291.59, 1,054,478,533.32 and 434,105,538.95

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Solution

The fourth proportional to 764,112,291.59, 1,054,478,533.32 and 434,105,538.95 is: 599,067,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,112,291.59 : 1,054,478,533.32 = 434,105,538.95 : x
  2. Step 2: Convert to fraction form
    764,112,291.59/1,054,478,533.32 = 434,105,538.95/x
  3. Step 3: Cross multiply
    764,112,291.59x = 1,054,478,533.32 × 434,105,538.95
  4. Step 4: Simplify right side
    764,112,291.59x = 457,754,972,012,811,776
  5. Step 5: Solve for x
    x = 457,754,972,012,811,776/764,112,291.59
  6. Step 6: Final answer
    x = 599,067,672.45

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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.