Home / 910,127,222.73-1,255,966,625.75-492,430,343.13

Finding the Fourth Proportional to 910,127,222.73, 1,255,966,625.75 and 492,430,343.13

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Solution

The fourth proportional to 910,127,222.73, 1,255,966,625.75 and 492,430,343.13 is: 679,549,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,127,222.73 : 1,255,966,625.75 = 492,430,343.13 : x
  2. Step 2: Convert to fraction form
    910,127,222.73/1,255,966,625.75 = 492,430,343.13/x
  3. Step 3: Cross multiply
    910,127,222.73x = 1,255,966,625.75 × 492,430,343.13
  4. Step 4: Simplify right side
    910,127,222.73x = 618,476,076,475,438,592
  5. Step 5: Solve for x
    x = 618,476,076,475,438,592/910,127,222.73
  6. Step 6: Final answer
    x = 679,549,035.60

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1.5x scale

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.