Home / 668,950,060.55-922,779,123.53-621,602,819.24

Finding the Fourth Proportional to 668,950,060.55, 922,779,123.53 and 621,602,819.24

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Solution

The fourth proportional to 668,950,060.55, 922,779,123.53 and 621,602,819.24 is: 857,466,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,950,060.55 : 922,779,123.53 = 621,602,819.24 : x
  2. Step 2: Convert to fraction form
    668,950,060.55/922,779,123.53 = 621,602,819.24/x
  3. Step 3: Cross multiply
    668,950,060.55x = 922,779,123.53 × 621,602,819.24
  4. Step 4: Simplify right side
    668,950,060.55x = 573,602,104,714,342,336
  5. Step 5: Solve for x
    x = 573,602,104,714,342,336/668,950,060.55
  6. Step 6: Final answer
    x = 857,466,257.27

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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.