Home / 986,313,781.01-1,360,596,972.88-609,850,030.79

Finding the Fourth Proportional to 986,313,781.01, 1,360,596,972.88 and 609,850,030.79

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Solution

The fourth proportional to 986,313,781.01, 1,360,596,972.88 and 609,850,030.79 is: 841,273,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,313,781.01 : 1,360,596,972.88 = 609,850,030.79 : x
  2. Step 2: Convert to fraction form
    986,313,781.01/1,360,596,972.88 = 609,850,030.79/x
  3. Step 3: Cross multiply
    986,313,781.01x = 1,360,596,972.88 × 609,850,030.79
  4. Step 4: Simplify right side
    986,313,781.01x = 829,760,105,803,648,768
  5. Step 5: Solve for x
    x = 829,760,105,803,648,768/986,313,781.01
  6. Step 6: Final answer
    x = 841,273,965.53

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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.