Home / 900,863,149.60-1,351,294,724.40-707,371,386.40

Finding the Fourth Proportional to 900,863,149.60, 1,351,294,724.40 and 707,371,386.40

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Solution

The fourth proportional to 900,863,149.60, 1,351,294,724.40 and 707,371,386.40 is: 1,061,057,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,863,149.60 : 1,351,294,724.40 = 707,371,386.40 : x
  2. Step 2: Convert to fraction form
    900,863,149.60/1,351,294,724.40 = 707,371,386.40/x
  3. Step 3: Cross multiply
    900,863,149.60x = 1,351,294,724.40 × 707,371,386.40
  4. Step 4: Simplify right side
    900,863,149.60x = 955,867,222,633,833,984
  5. Step 5: Solve for x
    x = 955,867,222,633,833,984/900,863,149.60
  6. Step 6: Final answer
    x = 1,061,057,079.60

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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.