Home / 661,918,539.60-992,877,809.40-590,492,869.20

Finding the Fourth Proportional to 661,918,539.60, 992,877,809.40 and 590,492,869.20

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Solution

The fourth proportional to 661,918,539.60, 992,877,809.40 and 590,492,869.20 is: 885,739,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,918,539.60 : 992,877,809.40 = 590,492,869.20 : x
  2. Step 2: Convert to fraction form
    661,918,539.60/992,877,809.40 = 590,492,869.20/x
  3. Step 3: Cross multiply
    661,918,539.60x = 992,877,809.40 × 590,492,869.20
  4. Step 4: Simplify right side
    661,918,539.60x = 586,287,266,437,616,768
  5. Step 5: Solve for x
    x = 586,287,266,437,616,768/661,918,539.60
  6. Step 6: Final answer
    x = 885,739,303.80

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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.