Home / 977,160,780.33-1,348,032,474.59-865,765,235.49

Finding the Fourth Proportional to 977,160,780.33, 1,348,032,474.59 and 865,765,235.49

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Solution

The fourth proportional to 977,160,780.33, 1,348,032,474.59 and 865,765,235.49 is: 1,194,357,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,160,780.33 : 1,348,032,474.59 = 865,765,235.49 : x
  2. Step 2: Convert to fraction form
    977,160,780.33/1,348,032,474.59 = 865,765,235.49/x
  3. Step 3: Cross multiply
    977,160,780.33x = 1,348,032,474.59 × 865,765,235.49
  4. Step 4: Simplify right side
    977,160,780.33x = 1,167,079,652,811,578,624
  5. Step 5: Solve for x
    x = 1,167,079,652,811,578,624/977,160,780.33
  6. Step 6: Final answer
    x = 1,194,357,854.21

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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.