Home / 862,166,302.80-1,293,249,454.20-499,369,246.80

Finding the Fourth Proportional to 862,166,302.80, 1,293,249,454.20 and 499,369,246.80

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Solution

The fourth proportional to 862,166,302.80, 1,293,249,454.20 and 499,369,246.80 is: 749,053,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,166,302.80 : 1,293,249,454.20 = 499,369,246.80 : x
  2. Step 2: Convert to fraction form
    862,166,302.80/1,293,249,454.20 = 499,369,246.80/x
  3. Step 3: Cross multiply
    862,166,302.80x = 1,293,249,454.20 × 499,369,246.80
  4. Step 4: Simplify right side
    862,166,302.80x = 645,809,005,868,365,184
  5. Step 5: Solve for x
    x = 645,809,005,868,365,184/862,166,302.80
  6. Step 6: Final answer
    x = 749,053,870.20

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Double scale
Find fourth proportional to 862,166,303.80, 1,293,249,455.70 and 499,369,247.80
Similar ratio
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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.