Home / 760,152,962.12-1,139,813,777.75-603,591,678.52

Finding the Fourth Proportional to 760,152,962.12, 1,139,813,777.75 and 603,591,678.52

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Solution

The fourth proportional to 760,152,962.12, 1,139,813,777.75 and 603,591,678.52 is: 905,057,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,152,962.12 : 1,139,813,777.75 = 603,591,678.52 : x
  2. Step 2: Convert to fraction form
    760,152,962.12/1,139,813,777.75 = 603,591,678.52/x
  3. Step 3: Cross multiply
    760,152,962.12x = 1,139,813,777.75 × 603,591,678.52
  4. Step 4: Simplify right side
    760,152,962.12x = 687,982,111,306,645,632
  5. Step 5: Solve for x
    x = 687,982,111,306,645,632/760,152,962.12
  6. Step 6: Final answer
    x = 905,057,462.89

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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.