Home / 276,735,888,904.40-415,103,833,356.60-77,989,178,047.40

Finding the Fourth Proportional to 276,735,888,904.40, 415,103,833,356.60 and 77,989,178,047.40

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Solution

The fourth proportional to 276,735,888,904.40, 415,103,833,356.60 and 77,989,178,047.40 is: 116,983,767,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,904.40 : 415,103,833,356.60 = 77,989,178,047.40 : x
  2. Step 2: Convert to fraction form
    276,735,888,904.40/415,103,833,356.60 = 77,989,178,047.40/x
  3. Step 3: Cross multiply
    276,735,888,904.40x = 415,103,833,356.60 × 77,989,178,047.40
  4. Step 4: Simplify right side
    276,735,888,904.40x = 32,373,606,767,806,130,421,760
  5. Step 5: Solve for x
    x = 32,373,606,767,806,130,421,760/276,735,888,904.40
  6. Step 6: Final answer
    x = 116,983,767,071.10

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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.