Home / 191,720,602,642.60-287,580,903,963.90-80,005,752,303.40

Finding the Fourth Proportional to 191,720,602,642.60, 287,580,903,963.90 and 80,005,752,303.40

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Solution

The fourth proportional to 191,720,602,642.60, 287,580,903,963.90 and 80,005,752,303.40 is: 120,008,628,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,720,602,642.60 : 287,580,903,963.90 = 80,005,752,303.40 : x
  2. Step 2: Convert to fraction form
    191,720,602,642.60/287,580,903,963.90 = 80,005,752,303.40/x
  3. Step 3: Cross multiply
    191,720,602,642.60x = 287,580,903,963.90 × 80,005,752,303.40
  4. Step 4: Simplify right side
    191,720,602,642.60x = 23,008,126,569,723,646,181,376
  5. Step 5: Solve for x
    x = 23,008,126,569,723,646,181,376/191,720,602,642.60
  6. Step 6: Final answer
    x = 120,008,628,455.10

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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.