Home / 974,312,020.40-1,461,468,030.60-767,687,759.60

Finding the Fourth Proportional to 974,312,020.40, 1,461,468,030.60 and 767,687,759.60

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Solution

The fourth proportional to 974,312,020.40, 1,461,468,030.60 and 767,687,759.60 is: 1,151,531,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,312,020.40 : 1,461,468,030.60 = 767,687,759.60 : x
  2. Step 2: Convert to fraction form
    974,312,020.40/1,461,468,030.60 = 767,687,759.60/x
  3. Step 3: Cross multiply
    974,312,020.40x = 1,461,468,030.60 × 767,687,759.60
  4. Step 4: Simplify right side
    974,312,020.40x = 1,121,951,118,138,338,176
  5. Step 5: Solve for x
    x = 1,121,951,118,138,338,176/974,312,020.40
  6. Step 6: Final answer
    x = 1,151,531,639.40

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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.