Home / 668,244,933.81-922,347,526.65-456,637,417.20

Finding the Fourth Proportional to 668,244,933.81, 922,347,526.65 and 456,637,417.20

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Solution

The fourth proportional to 668,244,933.81, 922,347,526.65 and 456,637,417.20 is: 630,275,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,244,933.81 : 922,347,526.65 = 456,637,417.20 : x
  2. Step 2: Convert to fraction form
    668,244,933.81/922,347,526.65 = 456,637,417.20/x
  3. Step 3: Cross multiply
    668,244,933.81x = 922,347,526.65 × 456,637,417.20
  4. Step 4: Simplify right side
    668,244,933.81x = 421,178,392,330,264,128
  5. Step 5: Solve for x
    x = 421,178,392,330,264,128/668,244,933.81
  6. Step 6: Final answer
    x = 630,275,473.89

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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.