Home / 651,808,133.40-977,712,200.10-307,434,365.40

Finding the Fourth Proportional to 651,808,133.40, 977,712,200.10 and 307,434,365.40

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Solution

The fourth proportional to 651,808,133.40, 977,712,200.10 and 307,434,365.40 is: 461,151,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,808,133.40 : 977,712,200.10 = 307,434,365.40 : x
  2. Step 2: Convert to fraction form
    651,808,133.40/977,712,200.10 = 307,434,365.40/x
  3. Step 3: Cross multiply
    651,808,133.40x = 977,712,200.10 × 307,434,365.40
  4. Step 4: Simplify right side
    651,808,133.40x = 300,582,329,781,581,312
  5. Step 5: Solve for x
    x = 300,582,329,781,581,312/651,808,133.40
  6. Step 6: Final answer
    x = 461,151,548.10

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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.