Home / 761,778,240.86-1,050,191,302.80-510,927,460.04

Finding the Fourth Proportional to 761,778,240.86, 1,050,191,302.80 and 510,927,460.04

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Solution

The fourth proportional to 761,778,240.86, 1,050,191,302.80 and 510,927,460.04 is: 704,367,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,778,240.86 : 1,050,191,302.80 = 510,927,460.04 : x
  2. Step 2: Convert to fraction form
    761,778,240.86/1,050,191,302.80 = 510,927,460.04/x
  3. Step 3: Cross multiply
    761,778,240.86x = 1,050,191,302.80 × 510,927,460.04
  4. Step 4: Simplify right side
    761,778,240.86x = 536,571,574,895,702,528
  5. Step 5: Solve for x
    x = 536,571,574,895,702,528/761,778,240.86
  6. Step 6: Final answer
    x = 704,367,158.47

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Double scale
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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.