Home / 781,148,106.20-1,170,021,548.10-473,904,349.40

Finding the Fourth Proportional to 781,148,106.20, 1,170,021,548.10 and 473,904,349.40

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Solution

The fourth proportional to 781,148,106.20, 1,170,021,548.10 and 473,904,349.40 is: 709,824,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,148,106.20 : 1,170,021,548.10 = 473,904,349.40 : x
  2. Step 2: Convert to fraction form
    781,148,106.20/1,170,021,548.10 = 473,904,349.40/x
  3. Step 3: Cross multiply
    781,148,106.20x = 1,170,021,548.10 × 473,904,349.40
  4. Step 4: Simplify right side
    781,148,106.20x = 554,478,300,536,311,232
  5. Step 5: Solve for x
    x = 554,478,300,536,311,232/781,148,106.20
  6. Step 6: Final answer
    x = 709,824,802.92

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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.