Home / 871,904,302.08-1,306,564,898.40-717,554,240.16

Finding the Fourth Proportional to 871,904,302.08, 1,306,564,898.40 and 717,554,240.16

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Solution

The fourth proportional to 871,904,302.08, 1,306,564,898.40 and 717,554,240.16 is: 1,075,268,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,904,302.08 : 1,306,564,898.40 = 717,554,240.16 : x
  2. Step 2: Convert to fraction form
    871,904,302.08/1,306,564,898.40 = 717,554,240.16/x
  3. Step 3: Cross multiply
    871,904,302.08x = 1,306,564,898.40 × 717,554,240.16
  4. Step 4: Simplify right side
    871,904,302.08x = 937,531,182,891,139,584
  5. Step 5: Solve for x
    x = 937,531,182,891,139,584/871,904,302.08
  6. Step 6: Final answer
    x = 1,075,268,444.78

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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.