Home / 1,011,908,460.30-1,396,437,425.07-588,623,686.35

Finding the Fourth Proportional to 1,011,908,460.30, 1,396,437,425.07 and 588,623,686.35

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Solution

The fourth proportional to 1,011,908,460.30, 1,396,437,425.07 and 588,623,686.35 is: 812,302,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,908,460.30 : 1,396,437,425.07 = 588,623,686.35 : x
  2. Step 2: Convert to fraction form
    1,011,908,460.30/1,396,437,425.07 = 588,623,686.35/x
  3. Step 3: Cross multiply
    1,011,908,460.30x = 1,396,437,425.07 × 588,623,686.35
  4. Step 4: Simplify right side
    1,011,908,460.30x = 821,976,144,901,805,312
  5. Step 5: Solve for x
    x = 821,976,144,901,805,312/1,011,908,460.30
  6. Step 6: Final answer
    x = 812,302,868.44

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Double scale
Find fourth proportional to 1,011,908,461.30, 1,396,437,426.45 and 588,623,687.35
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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.