Home / 918,962,302.08-1,268,176,070.52-501,276,444.96

Finding the Fourth Proportional to 918,962,302.08, 1,268,176,070.52 and 501,276,444.96

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Solution

The fourth proportional to 918,962,302.08, 1,268,176,070.52 and 501,276,444.96 is: 691,765,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,962,302.08 : 1,268,176,070.52 = 501,276,444.96 : x
  2. Step 2: Convert to fraction form
    918,962,302.08/1,268,176,070.52 = 501,276,444.96/x
  3. Step 3: Cross multiply
    918,962,302.08x = 1,268,176,070.52 × 501,276,444.96
  4. Step 4: Simplify right side
    918,962,302.08x = 635,706,792,213,607,808
  5. Step 5: Solve for x
    x = 635,706,792,213,607,808/918,962,302.08
  6. Step 6: Final answer
    x = 691,765,908.98

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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.