Home / 5,439,139,569.60-8,158,709,354.40-2,169,934,987.20

Finding the Fourth Proportional to 5,439,139,569.60, 8,158,709,354.40 and 2,169,934,987.20

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Solution

The fourth proportional to 5,439,139,569.60, 8,158,709,354.40 and 2,169,934,987.20 is: 3,254,902,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,139,569.60 : 8,158,709,354.40 = 2,169,934,987.20 : x
  2. Step 2: Convert to fraction form
    5,439,139,569.60/8,158,709,354.40 = 2,169,934,987.20/x
  3. Step 3: Cross multiply
    5,439,139,569.60x = 8,158,709,354.40 × 2,169,934,987.20
  4. Step 4: Simplify right side
    5,439,139,569.60x = 17,703,868,878,508,482,560
  5. Step 5: Solve for x
    x = 17,703,868,878,508,482,560/5,439,139,569.60
  6. Step 6: Final answer
    x = 3,254,902,480.80

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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.