Home / 1,157,205,079.69-1,597,075,483.60-648,705,132.87

Finding the Fourth Proportional to 1,157,205,079.69, 1,597,075,483.60 and 648,705,132.87

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Solution

The fourth proportional to 1,157,205,079.69, 1,597,075,483.60 and 648,705,132.87 is: 895,287,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,205,079.69 : 1,597,075,483.60 = 648,705,132.87 : x
  2. Step 2: Convert to fraction form
    1,157,205,079.69/1,597,075,483.60 = 648,705,132.87/x
  3. Step 3: Cross multiply
    1,157,205,079.69x = 1,597,075,483.60 × 648,705,132.87
  4. Step 4: Simplify right side
    1,157,205,079.69x = 1,036,031,063,792,157,440
  5. Step 5: Solve for x
    x = 1,036,031,063,792,157,440/1,157,205,079.69
  6. Step 6: Final answer
    x = 895,287,345.32

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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.