Home / 693,875,309.60-1,038,768,022.20-607,781,867.60

Finding the Fourth Proportional to 693,875,309.60, 1,038,768,022.20 and 607,781,867.60

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Solution

The fourth proportional to 693,875,309.60, 1,038,768,022.20 and 607,781,867.60 is: 909,881,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,875,309.60 : 1,038,768,022.20 = 607,781,867.60 : x
  2. Step 2: Convert to fraction form
    693,875,309.60/1,038,768,022.20 = 607,781,867.60/x
  3. Step 3: Cross multiply
    693,875,309.60x = 1,038,768,022.20 × 607,781,867.60
  4. Step 4: Simplify right side
    693,875,309.60x = 631,344,368,535,874,304
  5. Step 5: Solve for x
    x = 631,344,368,535,874,304/693,875,309.60
  6. Step 6: Final answer
    x = 909,881,587.95

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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.