Home / 807,141,751.80-1,210,712,627.70-738,266,998.20

Finding the Fourth Proportional to 807,141,751.80, 1,210,712,627.70 and 738,266,998.20

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Solution

The fourth proportional to 807,141,751.80, 1,210,712,627.70 and 738,266,998.20 is: 1,107,400,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,141,751.80 : 1,210,712,627.70 = 738,266,998.20 : x
  2. Step 2: Convert to fraction form
    807,141,751.80/1,210,712,627.70 = 738,266,998.20/x
  3. Step 3: Cross multiply
    807,141,751.80x = 1,210,712,627.70 × 738,266,998.20
  4. Step 4: Simplify right side
    807,141,751.80x = 893,829,177,334,913,280
  5. Step 5: Solve for x
    x = 893,829,177,334,913,280/807,141,751.80
  6. Step 6: Final answer
    x = 1,107,400,497.30

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1.5x scale

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.