Home / 539,096,941.40-808,645,412.10-517,933,779.80

Finding the Fourth Proportional to 539,096,941.40, 808,645,412.10 and 517,933,779.80

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Solution

The fourth proportional to 539,096,941.40, 808,645,412.10 and 517,933,779.80 is: 776,900,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,096,941.40 : 808,645,412.10 = 517,933,779.80 : x
  2. Step 2: Convert to fraction form
    539,096,941.40/808,645,412.10 = 517,933,779.80/x
  3. Step 3: Cross multiply
    539,096,941.40x = 808,645,412.10 × 517,933,779.80
  4. Step 4: Simplify right side
    539,096,941.40x = 418,824,774,806,881,664
  5. Step 5: Solve for x
    x = 418,824,774,806,881,664/539,096,941.40
  6. Step 6: Final answer
    x = 776,900,669.70

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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.