Home / 1,359,570,386.64-1,876,099,813.98-764,736,447

Finding the Fourth Proportional to 1,359,570,386.64, 1,876,099,813.98 and 764,736,447

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Solution

The fourth proportional to 1,359,570,386.64, 1,876,099,813.98 and 764,736,447 is: 1,055,275,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,570,386.64 : 1,876,099,813.98 = 764,736,447 : x
  2. Step 2: Convert to fraction form
    1,359,570,386.64/1,876,099,813.98 = 764,736,447/x
  3. Step 3: Cross multiply
    1,359,570,386.64x = 1,876,099,813.98 × 764,736,447
  4. Step 4: Simplify right side
    1,359,570,386.64x = 1,434,721,905,960,426,240
  5. Step 5: Solve for x
    x = 1,434,721,905,960,426,240/1,359,570,386.64
  6. Step 6: Final answer
    x = 1,055,275,931.32

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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.