Home / 893,341,461.60-1,340,012,192.40-686,717,200.80

Finding the Fourth Proportional to 893,341,461.60, 1,340,012,192.40 and 686,717,200.80

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Solution

The fourth proportional to 893,341,461.60, 1,340,012,192.40 and 686,717,200.80 is: 1,030,075,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,341,461.60 : 1,340,012,192.40 = 686,717,200.80 : x
  2. Step 2: Convert to fraction form
    893,341,461.60/1,340,012,192.40 = 686,717,200.80/x
  3. Step 3: Cross multiply
    893,341,461.60x = 1,340,012,192.40 × 686,717,200.80
  4. Step 4: Simplify right side
    893,341,461.60x = 920,209,421,802,798,976
  5. Step 5: Solve for x
    x = 920,209,421,802,798,976/893,341,461.60
  6. Step 6: Final answer
    x = 1,030,075,801.20

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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.