Home / 758,513,709.60-1,046,833,868.16-428,510,106.24

Finding the Fourth Proportional to 758,513,709.60, 1,046,833,868.16 and 428,510,106.24

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Solution

The fourth proportional to 758,513,709.60, 1,046,833,868.16 and 428,510,106.24 is: 591,391,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,513,709.60 : 1,046,833,868.16 = 428,510,106.24 : x
  2. Step 2: Convert to fraction form
    758,513,709.60/1,046,833,868.16 = 428,510,106.24/x
  3. Step 3: Cross multiply
    758,513,709.60x = 1,046,833,868.16 × 428,510,106.24
  4. Step 4: Simplify right side
    758,513,709.60x = 448,578,892,060,871,744
  5. Step 5: Solve for x
    x = 448,578,892,060,871,744/758,513,709.60
  6. Step 6: Final answer
    x = 591,391,937.13

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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.