Home / 974,312,048.40-1,461,468,072.60-767,687,787.60

Finding the Fourth Proportional to 974,312,048.40, 1,461,468,072.60 and 767,687,787.60

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Solution

The fourth proportional to 974,312,048.40, 1,461,468,072.60 and 767,687,787.60 is: 1,151,531,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,312,048.40 : 1,461,468,072.60 = 767,687,787.60 : x
  2. Step 2: Convert to fraction form
    974,312,048.40/1,461,468,072.60 = 767,687,787.60/x
  3. Step 3: Cross multiply
    974,312,048.40x = 1,461,468,072.60 × 767,687,787.60
  4. Step 4: Simplify right side
    974,312,048.40x = 1,121,951,191,302,330,112
  5. Step 5: Solve for x
    x = 1,121,951,191,302,330,112/974,312,048.40
  6. Step 6: Final answer
    x = 1,151,531,681.40

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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.