Home / 791,118,478.40-1,187,181,602.40-463,593,358.40

Finding the Fourth Proportional to 791,118,478.40, 1,187,181,602.40 and 463,593,358.40

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Solution

The fourth proportional to 791,118,478.40, 1,187,181,602.40 and 463,593,358.40 is: 695,685,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,118,478.40 : 1,187,181,602.40 = 463,593,358.40 : x
  2. Step 2: Convert to fraction form
    791,118,478.40/1,187,181,602.40 = 463,593,358.40/x
  3. Step 3: Cross multiply
    791,118,478.40x = 1,187,181,602.40 × 463,593,358.40
  4. Step 4: Simplify right side
    791,118,478.40x = 550,369,506,087,309,504
  5. Step 5: Solve for x
    x = 550,369,506,087,309,504/791,118,478.40
  6. Step 6: Final answer
    x = 695,685,312.77

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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.