Home / 1,572,605,999.70-2,358,908,999.55-960,385,967.70

Finding the Fourth Proportional to 1,572,605,999.70, 2,358,908,999.55 and 960,385,967.70

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Solution

The fourth proportional to 1,572,605,999.70, 2,358,908,999.55 and 960,385,967.70 is: 1,440,578,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,605,999.70 : 2,358,908,999.55 = 960,385,967.70 : x
  2. Step 2: Convert to fraction form
    1,572,605,999.70/2,358,908,999.55 = 960,385,967.70/x
  3. Step 3: Cross multiply
    1,572,605,999.70x = 2,358,908,999.55 × 960,385,967.70
  4. Step 4: Simplify right side
    1,572,605,999.70x = 2,265,463,102,249,065,984
  5. Step 5: Solve for x
    x = 2,265,463,102,249,065,984/1,572,605,999.70
  6. Step 6: Final answer
    x = 1,440,578,951.55

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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.