Home / 1,391,428,501.60-2,087,142,752.40-573,119,586.40

Finding the Fourth Proportional to 1,391,428,501.60, 2,087,142,752.40 and 573,119,586.40

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Solution

The fourth proportional to 1,391,428,501.60, 2,087,142,752.40 and 573,119,586.40 is: 859,679,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,428,501.60 : 2,087,142,752.40 = 573,119,586.40 : x
  2. Step 2: Convert to fraction form
    1,391,428,501.60/2,087,142,752.40 = 573,119,586.40/x
  3. Step 3: Cross multiply
    1,391,428,501.60x = 2,087,142,752.40 × 573,119,586.40
  4. Step 4: Simplify right side
    1,391,428,501.60x = 1,196,182,391,013,245,696
  5. Step 5: Solve for x
    x = 1,196,182,391,013,245,696/1,391,428,501.60
  6. Step 6: Final answer
    x = 859,679,379.60

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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.