Home / 554,426,957,505.45-765,113,693,698.23-307,233,365,210.40

Finding the Fourth Proportional to 554,426,957,505.45, 765,113,693,698.23 and 307,233,365,210.40

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Solution

The fourth proportional to 554,426,957,505.45, 765,113,693,698.23 and 307,233,365,210.40 is: 423,984,533,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,426,957,505.45 : 765,113,693,698.23 = 307,233,365,210.40 : x
  2. Step 2: Convert to fraction form
    554,426,957,505.45/765,113,693,698.23 = 307,233,365,210.40/x
  3. Step 3: Cross multiply
    554,426,957,505.45x = 765,113,693,698.23 × 307,233,365,210.40
  4. Step 4: Simplify right side
    554,426,957,505.45x = 235,068,454,883,466,426,712,064
  5. Step 5: Solve for x
    x = 235,068,454,883,466,426,712,064/554,426,957,505.45
  6. Step 6: Final answer
    x = 423,984,533,402.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.