Home / 1,252,287,070.80-1,878,430,606.20-434,482,040.40

Finding the Fourth Proportional to 1,252,287,070.80, 1,878,430,606.20 and 434,482,040.40

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Solution

The fourth proportional to 1,252,287,070.80, 1,878,430,606.20 and 434,482,040.40 is: 651,723,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,287,070.80 : 1,878,430,606.20 = 434,482,040.40 : x
  2. Step 2: Convert to fraction form
    1,252,287,070.80/1,878,430,606.20 = 434,482,040.40/x
  3. Step 3: Cross multiply
    1,252,287,070.80x = 1,878,430,606.20 × 434,482,040.40
  4. Step 4: Simplify right side
    1,252,287,070.80x = 816,144,362,531,584,896
  5. Step 5: Solve for x
    x = 816,144,362,531,584,896/1,252,287,070.80
  6. Step 6: Final answer
    x = 651,723,060.60

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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.